Error 28201 Kerio Vpn Client May 2026

: Leftover configurations from old versions interfering with new driver registration.

: The "Kerio Virtual Network Adapter" may be stuck in a half-installed state in the Device Manager.

: Newer Windows versions (20H2 and later) may block older, unsigned Kerio drivers. error 28201 kerio vpn client

: Open Device Manager, expand Network adapters , and uninstall the Kerio Virtual Network Adapter . If you see WAN Miniport adapters, uninstall those as well.

Download the utility from the GFI Support Portal . : Leftover configurations from old versions interfering with

If the installer stops mid-way with the error, try this "Force Install" trick:

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: : Open Device Manager, expand Network adapters ,

GFI provides a specific recovery tool for "0x800F020B" or "unspecified" errors associated with 28201. Download the .

After the tool completes, attempt to install the latest Kerio VPN Client again. 4. Manual Driver Installation Workaround