Error 28201 Kerio Vpn Client Jun 2026
Yes, it can, but it is less common. The most frequent cause on Windows 11 is related to driver signature conflicts from older VPN clients. The recommended solution is to use , which contains properly signed drivers.
Press or F7 to select "Disable driver signature enforcement." Install the Kerio VPN Client. Summary Checklist Clean Uninstall (KT Uninstaller) Delete registry keys ( WOW6432Node\Kerio ) Uninstall Virtual Network Adapter Reset Networking ( netsh ) Run installer as Admin
Several underlying operating system conditions can trigger this error:
: Open regedit and delete the key: HKEY_LOCAL_MACHINE\SOFTWARE\WOW6432Node\Kerio . Device Manager : Navigate to Network Adapters .
Use the official KT Uninstaller from GFI Support to wipe remaining registry keys and configuration files. Clean the Windows Registry Open Run (Win + R), type regedit , and press Enter. error 28201 kerio vpn client
Perform the cleanup for both versions to ensure all registry entries are wiped. Restart your computer immediately after the cleanup. 2. Manually Remove Drivers and Registry Keys If the uninstaller fails, manual intervention is required:
Corrupted networking settings can interfere with driver installation.
The installation script lacks the deep administrative access required to modify the Windows network stack. Step-by-Step Solutions to Fix Error 28201 1. Perform a Completely Clean Reinstallation
Your PC will reboot into the screen. Select Troubleshoot > Advanced options > Startup Settings > Restart . Yes, it can, but it is less common
Right-click on and select Uninstall device .
If you use third-party security suites (e.g., Kaspersky, Bitdefender, SentinelOne), their real-time protection engines might block the installation of network drivers to prevent unauthorized traffic interception.
For system administrators, it is also good practice to plan for updates and maintain version compatibility to prevent future occurrences of this and other VPN client errors. Once you've resolved the issue, document your steps. This will help your team maintain a more resilient network access infrastructure.
Stale registry configurations or ghost network adapters from a prior install. Press or F7 to select "Disable driver signature enforcement
Use Version 9.2.7 (Build 4393) or later, which includes the necessary signed drivers.
Error 28201. Failed to install VPN device driver. Command: CREATE. Action: UpdateDevice. Result: 0x80070103, unspecified error
box in the General tab before running it as an administrator. support.keriocontrol.gfi.com Advanced Solutions
Navigate to HKEY_LOCAL_MACHINE\SOFTWARE\WOW6432Node\ and delete the Kerio key.
