: Press Win + R , type regedit , and navigate to HKEY_LOCAL_MACHINE\SOFTWARE\WOW6432Node\Kerio . Delete the Kerio key.
adapters if they appear (they may reappear after rebooting, which is normal). Reboot your PC Run as Administrator : Right-click the latest installer and select Run as Administrator : If the installer is blocked, right-click it, select Properties , and click GFI Support Method 2: Use the KT Uninstaller Tool error 28201 kerio vpn client
Once Windows boots up, try installing the Kerio VPN Client again. 4. Use the Correct Version : Press Win + R , type regedit