Keepsolid VPN Unlimited - FAQ - Technical questions about VPN app

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FAQ

KeepSolid VPN Unlimited knowledge base

What is VPN?

VPN stands for Virtual Private Network. The main purpose of our VPN service is to ensure your security and privacy. To do this, KeepSolid VPN Unlimited encrypts the traffic you transmit over the network.

So how does VPN work?

KeepSolid VPN Unlimited adds a new network interface which functions exactly as if you are working with a direct internet connection. However, your IP address is different, and all your traffic is encrypted. VPN enables a host computer to send and receive data across shared or public networks as if they are an integral part of a private network; with all the functionality, security, and management policies that private networks provide.

Can I use your VPN instead of my current ISP connection?

Unfortunately, no. An internet connection and a VPN service are two different things. You need an existing and/or working (e.g. Cable, DSL, 3G, Satellite etc.) internet connection to be able to use KeepSolid VPN Unlimited.

What is the difference between a Proxy and a VPN service?

In essence, VPN connections are much more stable and secure than proxies. Not all applications are compatible with a proxy and most require a special configuration to work with one. You don't need any special set up for applications to work under a VPN connection.

Will KeepSolid VPN Unlimited slow down my system or internet connection?

We do not decrease the connection speed for any of our users for any reason. It doesn’t matter if you are a trial user or have purchased a subscription—we will provide you the highest and maximum possible connection speed for the current conditions. However, the setting for your connection may vary because of the current workload on the selected VPN server and the distance from you to the selected VPN server.

Can I increase the speed of my connection when using a VPN service?

This is possible as KeepSolid VPN Unlimited bypasses some of the throttles placed by ISP's.

How many servers do you have?

KeepSolid VPN Unlimited has 400+ high-speed servers across 70+ locations all over the world. The latest server list is available right in the application. We are constantly expanding our VPN solution server presence, so that you have the best and most reliable VPN connections. You can vote for the new server locations here: https://www.vpnunlimitedapp.com/en/info/specials/server-locations.

Does your app work in China?

We work day and night to provide you with the best service in any country; however, there are some technical limitations set by the Chinese government. We provide 5 VPN regions for our users in China: US, UK, DE, SG, HK. Also, for a stable VPN connection we recommend using the special KeepSolid Wise protocols. This option is available for iOS 10 or later, Android, Windows, macOS, and Linux devices. You can enable it at Account > Network Settings (for desktop computers), or at Settings > Protocols (for mobile devices).

Can I watch US Netflix, BBC iPlayer, and other streaming services abroad using KeepSolid VPN Unlimited?

Yes, you can. KeepSolid VPN Unlimited provides you with the possibility to stream the US Netflix, BBC iPlayer, HBO Now, ESPN+, Hulu, ITV, and many more content no matter where you find yourself. Simply choose the appropriate server and access any shows, movies, or documentaries you wish.

Does KeepSolid VPN Unlimited protect other protocols like Mail or FTP?

Once you are connected to our VPN server, all your programs use a virtual network interface which protects any app that accesses the internet from your device.

I received Google's "Suspicious sign in prevented" e-mail. Why is that?

When you have an active VPN, it acts as a relay—which means you surf the internet and use web services with the VPN server’s IP address instead of your own. Google permanently monitors your IP’s geographical location; if it changes dramatically, Google will send you a warning about suspicious activity. Read more about it here.

What is the Streaming region?

It is a set of servers that are optimized for watching video from such services such as YouTube, Vimeo, Dailymotion, US Netflix, BBC iPlayer, HBO Now, ESPN+, Hulu, ITV, and so on.

Why is my virtual IP detected to be from a different country than the one I choose?

Most of the geo-location services like WhatIsMyIP and SpeedTest rarely update their IP databases. That is why your virtual IP address can be detected as if it is located in a different country than the one you choose. To check out the location of our servers, please use the following link: http://www.neustar.biz/services/ip-intelligence. You need to input your virtual IP address in the appropriate field.

Do you keep the connection logs?

According to our Privacy Policy the personal data we collect includes:

PERSONAL DATA THAT YOU PROVIDE

Upon your registration for and use of KeepSolid’s products and services, we collect certain personal data directly from you, in each case only if applicable, including the following:

First and last name (either through the registration field or through your social media login);
Company name;
Email address;
Country;
Username and password (in a “hashed” format);
(Certain products only) Public and private keys (in a “hashed” format);
(Certain products only) User uploaded document content and preview;
Team members and their contact information;
Other profile information that you choose to provide to us; and
Any other information that you choose to provide to us by completing a web form, sending to us an email, online chat, forum postings, and any other similar means.

PERSONAL DATA THAT WE COLLECT AUTOMATICALLY

Upon your use of a KeepSolid’s website and activation and/or use of a KeepSolid app, we collect certain personal data from you, in each case only if applicable, including the following:

IP address;
Browser type and operating system;
Device name, code, manufacturer, and language;
Time zone, connection type, WiFi network name;
(Certain products only) Total amount of web traffic for each session and session dates;
Number of your devices using KeepSolid’s products and services;
Other data collected in accordance with our Cookies Policy; and
KeepSolid website/app usage, including version used, activation date, and updates installed.

HOW LONG WE STORE PERSONAL DATA

We do not store certain personal data (i.e. Section 2(B)(i-iv)) that we collect automatically. We store some of your personal data that we collect from you and from other sources as long as you remain a user of our products and services. We retain personal data necessary for compliance with our legal obligations and contractual performance for the longer of: (i) the required time period under applicable law; (ii) or seven years.

For more information, please check our Privacy Policy and Data Usage Regulations.

What is User Office and what is it for?

User Office is your personal control center where you can manage your subscriptions for KeepSolid products in a variety of ways. In this manual, we will answer the most frequent questions about the User Office on the example of the KeepSolid VPN Unlimited service:
https://www.vpnunlimitedapp.com/en/info/manuals/user-office.

How to Watch BBC iPlayer with KeepSolid VPN Unlimited?

If you currently live outside the British Isles, KeepSolid VPN Unlimited is the solution to the aforementioned issue. All you need to do is:

Download KeepSolid VPN Unlimited and launch the app
Connect to the Streaming BBC iPlayer server
Create a UK account for iPlayer. At this step, you should use any of these postcodes
Select your desired show or channel and specify that you have a TV license.

That’s about it! You can find more detailed information here:
https://www.vpnunlimitedapp.com/en/info/manuals/how-to-watch-bbc-iplayer.

How to watch US Netflix with KeepSolid VPN Unlimited?

Just follow a few simple steps:

Download KeepSolid VPN Unlimited and launch the app
Connect to the Streaming Netflix, Hulu server
Login to your US Netflix account and enjoy your favorite films and TV shows

That’s so easy!

What are the Personal IP & Personal Server offers for? Do I need to buy one to use your service?

These are additional services that provide extra benefits. Let’s look at the advantages of each option:

Personal Static IP

Clean personal IP in the selected country without any black history from other users. No one knows that it is a VPN server address.
Dedicated IP for accessing your online banking or mailbox anywhere securely.
The extended access to otherwise blocked web pages, such as Facebook or Twitter.

You can find more information on Personal Static IP here:
https://www.vpnunlimitedapp.com/en/info/specials/about-personal-static-ip

Personal VPN Server includes all the benefits of Personal Static IP and gives you lots more:

The most possible connection speed, as the whole server works only for your needs.
Strong protection from cyber attacks, hacking, data theft, or just plain snooping
A bonus of free VPN subscription with a purchase of any personal server

Learn more about Personal VPN server here:

https://www.vpnunlimitedapp.com/en/info/specials/about-personal-vpn-server.

How to set up a VPN connection?

Open KeepSolid VPN Unlimited on your device. Login to your account or create a new one, and select the required VPN server. You can learn how to use KeepSolid VPN Unlimited on each and every platform in our Manuals section.

How to check that I already have an active VPN connection?

When you have successfully connected to any VPN server, then you will see a VPN icon in the status bar of your device next to the active internet connection icon. You can refer to our how-to guides for each and every platform in our Manuals section.

I installed KeepSolid VPN Unlimited on my Mac, but now I can't find it!

No worries!
The KeepSolid VPN Unlimited icon is located in the status bar — in the upper right corner of your Mac desktop. Left click it to view the application options. For more information, please refer to our detailed how-to guides for each and every platform in our Manuals section.

How to view my remaining subscription/trial period?

macOS: You can see your remaining subscription/trial time on the main screen, right above the map. Also, you can navigate to the Menu > My account tab, and view the information under your KeepSolid ID email address.

iOS: You can view the remaining subscription/trial time at the top of the main screen. Also, the information is available in the Menu > My Account tab of the app, under your KeepSolid ID email.

Android: In the application, view the remaining subscription/trial time at the top of the main screen. The information is also available in the Menu > My account tab under your KeepSolid ID email.

Windows: View the remaining subscription/trial time at the top of the app main screen. You can also check the information by navigating to the the Menu > My account tab, the remaining subscription/trial time will be available under your KeepSolid ID email.

Windows Phone: In the application, open the Connection tab and view the remaining subscription/trial time in the Remaining line.

Linux: In the application, open the Account Status tab and view the remaining subscription/trial time in the Subscription section.

Chrome and Firefox extensions: View the remaining subscription/trial time at the top of the extension window.

For more information, please refer to our detailed how-to guides for each and every platform in our Manuals section.

Can I set a password to lock the application?

macOS: Yes, you can enable the password protection on the Settings tab by switching the Password Protection ON.

iOS: Yes, you can enable the password protection on the Settings tab by switching the Touch ID or Face ID (for iPhone X users) recognition ON. Thereby, you will be able to sign in with either your Touch/Face ID or your password.
Or you can just switch the Remember Password OFF. This way, you will have to enter your password each time you want to sign in to the application.

Android: Yes, you can enable the password protection on the Settings tab by switching the Fingerprint Recognition ON. Thereby, you will be able to sign in with either your Fingerprint or your password.
Or you can just switch the Password Protection ON. This way, you will have to enter your password each time you want to sign in to the application.

Windows: Yes, you can enable the password protection on the Settings tab by switching the Password Protection ON.

Linux: Yes, you can enable the password protection on the Settings tab by switching the Password Protection ON.

For more information, please refer to our detailed how-to guides for each and every platform in our Manuals section.

Mac: Why do I see the "Please enter your authentication information" window?

You might see this window if you’ve denied access to your keychain. You can do the following:

Open the KeepSolid VPN Unlimited app.
Go to Settings > Protocols.
Select OpenVPN and try to connect again.

Do you have any guides on how to install and use the application?

Sure! You can find detailed step-by-step manuals for each platform here:
https://www.vpnunlimitedapp.com/en/info/manuals

I'm running KeepSolid VPN Unlimited under Windows 8 and it can't connect to any server. How to fix it?

This is a known issue of the OpenVPN protocol, which is used for KeepSolid VPN Unlimited work. The fix is quite simple — just open the Network Center and the OpenVPN will start.

Navigate to the Desktop.
Right click the Network symbol in the taskbar.
Click Open Network and Sharing Center.

I already have another VPN software installed. Will it conflict with KeepSolid VPN Unlimited?

If you have installed another VPN software which also uses OpenVPN protocols and drivers, then you won't be able to run both apps simultaneously. So you will have to exit from one application before running another.
Note that some VPN applications remove OpenVPN drivers during the uninstallation process, so KeepSolid VPN Unlimited might stop working after you delete them. To fix this issue, simply reinstall the KeepSolid VPN Unlimited app again.

I'm trying to install the Windows version of KeepSolid VPN Unlimited and it doesn't work.

For this, we recommend you to temporarily stop any firewall or antivirus software on your Windows computer while installing KeepSolid VPN Unlimited. You also need to add KeepSolid VPN Unlimited to the exception list of your firewall software in order to allow it to connect to the internet. You can refer to our detailed manual on how to install KeepSolid VPN Unlimited on Windows..

The User Account Control (UAC) keeps asking me to allow the program to run. What should I do?

You may either lower the level (or disable) of the UAC on your computer or operate the computer as a Power User (Administrator). Please refer to our step-by-step manual on how to install KeepSolid VPN Unlimited on Windows.

The app doesn't run automatically after the MS Windows start. What should I do?

You need to allow KeepSolid VPN Unlimited to run after the startup. To do so, you might need to add it to the exceptions in your firewall or antivirus software.
For example, to add the app to the Windows Defender exception list, the next time Windows Defender alerts you about the software, on the Action menu in the Alert dialog box, click Always Allow. If you are prompted for an administrator password or confirmation, type the password or provide confirmation. Read more about adding an exception to Windows Firewall here. You can also refer to our comprehensive guide on how to use KeepSolid VPN Unlimited on Windows.

I connected my Apple Watch to my iPhone and now I see a VPN profile error. What should I do?

You need to reinstall the KeepSolid VPN Unlimited profile. For this purpose:

Open the application, go to Menu > Settings > Delete profile.
Try to connect to any VPN server.
Follow the steps of the profile installation wizard.

What are the benefits of using a router with KeepSolid VPN Unlimited?

Using the router together with our VPN service gives you an opportunity to not only connect as many devices as you like, but also protecting them by preventing hackers from attacking, getting a wider access to web-restricted content, and maintaining strong online anonymity and privacy.

What do I need to use KeepSolid VPN Unlimited on a router?

Make sure that your router features VPN support (i.e. it should be with DD-WRT or Tomato firmware). Then create manual configuration files to make the router work with our service. In this regard, please follow a few simple steps described in our tutorial. Our networking experts have fully tested a good number of routers in and out by FlashRouters and pointed out the best ones to work with the KeepSolid VPN Unlimited service. Please see the list of recommended routers here.

How do DD-WRT and Tomato compare to the standard router firmware?

The standard router firmware gives you a limited control over the router, it is unreliable and often full of dangerous vulnerabilities that can put your entire online experience at risk. While DD-WRT and Tomato provide you advanced capabilities to make your network more controllable these are the most popular open-source router firmwares that transform a standard router with limited functionality into a powerful and multi-use one. The transformed router offers you a wide range of benefits; including superior network performance, the ability to encrypt your web-traffic through a VPN connection, and a whole lot more.

Can I upgrade my router firmware to DD-WRT or Tomato?

Possibly, these open-source firmwares are developed for specific router models. That is why your first step should be to find out if your device is supported. For DD-WRT supported devices, click here. For Tomato supported devices, click here

How to replace the firmware on my router?

The process of installing or replacing a firmware on a router is achieved by a method called flashing. In most cases, upgrading your router is almost as simple as installing a program to your computer. Yet, there is a huge difference. You cannot just uninstall a standard firmware and then install DD-WRT or Tomato. You must upgrade the router’s control panel first. If this is done improperly, your router’s hardware can be permanently damaged. For DD-WRT upgrade, please go here. For Tomato upgrade, please go here

What are the main differences between DD-WRT and Tomato?

To break it down, we have compiled a list of the most significant differences between DD-WRT and Tomato firmwares.
Please see the distinctive features for each firmware below and decide what fits you best.
Tomato firmware

Super-lightweight
Easier to install
More user-friendly interface
More consistent support and functionality with OpenVPN

DD-WRT firmware

A lot more supported devices
More supported functionality for wireless modes like Repeater Bridge
More built-in options for more advanced features like WI-Fi hotspots
Supports OpenVPN and PPTP protocols

How to manually create VPN configurations?

You can create VPN configuration files in your personal User Office. This guide will help you to figure this out:
https://www.vpnunlimitedapp.com/en/info/manuals/how-to-manually-create-vpn-conf.

How to use KeepSolid VPN Unlimited on my Apple TV?

If you want to use your Apple TV for viewing video content that is only accessible with KeepSolid VPN Unlimited, we recommend using of the AirPlay Mirroring feature of your Apple TV. This way you will be able to share your Mac or iOS screen using the HDTV attached to your Apple TV. The video from your Mac or iOS device will be shown on your Apple TV display.

Alternatively, you can setup a network sharing from your Windows or macOS computer as shown here:
https://www.vpnunlimitedapp.com/en/info/manuals/apple-tv

I registered an account and used your service for a day, but now I can't connect to your service.

KeepSolid VPN Unlimited allows usage with a non-activated account only for 1 day. After the first day of using our service you can use the VPN Unlimited service only with an activated account.
To activate your registered account, use the special link in the activation email that was sent to the email address you used during registration process.
If you can't find this email, please check the Spam folder and the Spam settings of your email client.
If you haven’t received this email, or the link doesn't work please contact our technical support team at

Whoops, I forgot my password! What should I do?

For mobile version of the app, start the KeepSolid VPN Unlimited app on your device. In the Login window, input the email you used for registration and tap "Forgot Password?"
For desktop version, open the KeepSolid VPN Unlimited app. In the Login window, input the email you used for registration and click "Forgot Password?"
We will send you an email which contains a link to reset your password. If you haven’t received this email, or the link doesn't work please contact our technical support at

What payment options are available?

We offer you various ways to purchase KeepSolid VPN Unlimited subscriptions; including Bitcoin, PayPal, Amazon, Credit (Visa/Mastercard) and Gift cards, as well as iTunes and Google play in-app-purchases. You can find the available subscription plans at the Pricing section.

How can I cancel the auto-renewable subscription?

It depends on what exact payment method was used. If the payment was made via PayPal, Amazon, PaymentWall, Stripe — the auto-renewable option can be canceled via the user's web office at https://my.keepsolid.com/account.
If the payment was made via Apple iTunes, please follow the link below to see the instructions on how to change/cancel the auto-renewable subscription in your iTunes account: https://support.apple.com/en-us/HT202039.
If the payment was made via Google Play Market, you can cancel it via your Google Play web office:
https://support.google.com/googleplay/answer/7018481

What does KeepSolid VPN Unlimited Redeem Code mean and how can I get it?

KeepSolid Inc. Redeem Codes allow registered users with a valid KeepSolid ID to unlock the paid features of our services for free.
You can get a Redeem Code during promotions or as bonuses from our team. For additional information, please contact Support. If you already have a Redeem Code, please activate it here

Can I use my account on more than one device?

You sure can! By default you can register up to 5 devices on your account and login to KeepSolid VPN Unlimited from them simultaneously. If you need to register a new device, you can delete 1 device per week—if you have purchased any paid subscription, and register a new one instead of the deleted one.
Also, you can buy additional slots for your devices on our website.
Please refer to our detailed manual on User Office to learn how to manage your devices and many more.

Can I delete unnecessary devices from my account to connect new ones?

Of course. If you have bought any VPN subscription, you may delete 1 device per week from your User Office at https://vpn.keepsolid.com/devices. Please refer to our detailed manual on User Office to learn how to manage your devices and many more.

My account is blocked! What should I do now?

To unblock your account, please follow this link: https://my.keepsolid.com/unblock. Check your inbox mail and also spam folder, and follow all the instructions you receive.

How to unsubscribe from your newsletter?

You can unsubscribe from the marketing and promotional materials at any time in your User Office: https://my.keepsolid.com/account.

I purchased a subscription via iTunes, but the app does not show it.

Please, follow the next steps exactly on the device where you have made this purchase:

Make sure you have an internet connection on that device.
Open the KeepSolid VPN Unlimited app and log out from your account.
Log in again, go to Purchases and check your subscription period.
If it does not help, please send the confirmation of your purchase (receipt that you had to receive from Apple to the email address associated with your Apple ID) to our customer support team via [email protected]. If you don’t have a receipt - there is a chance that your purchase was unsuccessful.

In this case you’ll need to contact Apple support directly: https://support.apple.com/, or make a purchase directly on our website instead:
https://www.vpnunlimitedapp.com/en/pricing.

Is your service free?

We offer 7 days of free trial, so all new users can test our service. If you’d like to keep using our service after the trial expiration - you will need to purchase a subscription plan: https://www.vpnunlimitedapp.com/en/pricing. Please note that you will not be charged unless you personally make a purchase.

iOS: Unable to connect

If you cannot connect to a VPN server, please perform the following actions:

Open the KeepSolid VPN Unlimited app
Go to Menu () > Settings > Protocols
Select OpenVPN, KeepSolid Wise UDP, or KeepSolid Wise TCP
Try to connect to different VPN servers

If the issue persists, reboot your device. Please let us know if you are still facing this issue at [email protected]

iOS: Cannot disable VPN / Unable to use the internet

This can happen due to active Connect on Demand option. In this case, follow the next steps:

Go to your device’s Settings > General > VPN
Tap the Info icon next to KeepSolid VPN Unlimited
Disable Connect on Demand

Now your issue should be settled.

macOS: Authentication failed

If you get this message, please do the following:

Open the KeepSolid VPN Unlimited app
Go to Settings > Protocols > select OpenVPN or KeepSolid Wise (UDP or TCP)
Try to connect to different VPN servers and check the performance

Usually, no more actions are required to solve this issue.

macOS: Unable to connect / Virtual and real IP addresses are same

If you face any of these issues, please follow the next steps:

Open the KeepSolid VPN Unlimited app
Go to Settings > Protocols > select OpenVPN or KeepSolid Wise (UDP or TCP)
Connect to different VPN servers and check the performance

If the issue persists, please do the following:

Go to System Preferences > Profile > delete VPN Unlimited profile*
If you don’t have the Profile folder in System Preferences:
Go to System Preferences > Network > delete VPN Unlimited configuration*
Reboot your Mac
Open the KeepSolid VPN Unlimited app, select any VPN server, and try to connect to it.

*You can follow this guide to delete VPN configurations and/or profile properly.

Android: Could not connect to server / VPN service has not been started due to internal exception

There are a few simple steps to solve this issue:

Open the KeepSolid VPN Unlimited app
Go to Menu () > Settings > Protocols
Enable KeepSolid Wise (TCP or UDP). Now try connecting to several different VPN servers

Please let us know if you are still facing this issue at [email protected].

Android: Unable to tap OK/Allow for the permission request to run the application

This issue can be caused by using ambient lighting apps, like Twilight, as well as other screen overlay apps.

If you are running such an app, please temporarily disable it and try accepting the permission request again.

Android: Unable to log in

To solve this issue, please go to your device’s Settings > Application manager > KeepSolid VPN Unlimited > tap Clear data, Clear cache and Force stop the app.

Then try to login to KeepSolid VPN Unlimited again and connect to our servers via KeepSolid Wise TCP.

Please let us know if you are still facing this issue at [email protected].

Android: The inactive check box 'Trust this app' on an Android device

Please try to install the standalone version of the KeepSolid VPN Unlimited app from our web site.

Also, sometimes this issue could be caused by another app installed on your device. Try to close other apps one by one, and then mark the check box again.

Some of our customers with the same issue reported the following:
“I downloaded the CM Security Antivirus and it found the TowelRoot. I fixed it and now the VPN is working.” and “On my Nexus, I deleted 2 meteo apps. And now I can mark the check box and use the KeepSolid VPN Unlimited app.”

Please let us know if it works for you too. If not, feel free to contact us.

General: I’m getting low connection speed with VPN. What do to?

We provide the maximum possible connection speed for the current conditions. However, the conditions for your connection may vary because of the current workload on the selected VPN server and the distance from you to the selected VPN server. Also, there is always a chance of slowdown because of your ISP throttling VPN protocols. We cannot control these circumstances.

So, as a suggestion, try to connect to a several servers that are geographically closer to you, and check the performance.

Also, if you've enabled KeepSolid Wise, it might decrease the speed. Please, try to switch to a different VPN protocol in the Settings of the KeepSolid VPN Unlimited app, and check the performance again.

General: If you come across the message ‘You have exceeded the allowed number of devices on your account’

According to our End User Agreement, by default you are allowed to register up to 5 devices on one account and use them all simultaneously. Users with paid subscription can delete one device per week.

If you want to add a new device, first you need to delete one of already registered devices. You can manage your account personally from your KeepSolid office at https://vpn.keepsolid.com/

Please go to Devices—here you can see the list of all your devices, and manage them manually.

Also, you can buy additional slots for your devices at Extensions, or right in the app through the Purchases tab.

General: 'Code 0' or 'System maintenance 505’

This means that we have a server issue at the moment. We apologize for any inconvenience you may have experienced while trying to login and run the app. Please note that our technical specialists are currently working to solve the issue, and the service will be back available again as soon as possible. Please try to login again in a few hours and let us know if there are still any issues.

Linux: Unable to connect

If you cannot connect to a VPN server, please follow these steps:

Open the KeepSolid VPN Unlimited app
Go to Settings > Protocols
Select KeepSolid Wise (TCP or UDP)
Try to connect to different VPN servers and check the performance

Normally, this should fix the problem.

Windows: Unable to connect

First of all, please add KeepSolid VPN Unlimited and TAP-Windows Adapter to Trusted apps or Exceptions of your Antivirus and/or Firewall to make sure that our service is not blocked by your security software.

If the issue still occurs, please do the following:

Launch the KeepSolid VPN Unlimited app and log in
Go to Account > Network Settings > select KeepSolid Wise (TCP or UDP)
Connect to different VPN servers and check the performance

If the previous steps did not help, please follow these ones:

Go to Control Panel > System > Device Manager > Network Adapters > select TAP-Windows adapter > disable it and then enable again
Open the KeepSolid VPN Unlimited app and connect to different VPN servers

Normally, this should be enough to fix the problem.

Browser Extension: 505 error

This error might appear when your local network has established VPN restrictions. In this case, you will need a full version of the KeepSolid VPN Unlimited application. You can download it here for any platform.

Browser Extension: 500 error

First, make sure that you’re not using any other VPN/Proxy extensions. Then, reinstall the KeepSolid VPN Unlimited extension in your browser. This should solve the issue.

Should you need any additional assistance - don’t hesitate to contact our 24/7 customer support team via [email protected].