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Note: These are suggested fixes for the error "The VPN client driver has encountered an error" as found on Cisco support forums. This error message is fairly generic, and these fixes may or may not apply to your specific situation. Use caution.

VPN Client Driver Error: Solution 1

In order to resolve this error, complete this procedure to manually set the AnyConnect VPN agent to Interactive:

  • Right click on Computer > Manage > Services and Applications > Services. Right-click Cisco AnyConnect Secure Mobility Agent, and left-click Properties.
  • Click the Log On tab and check the box Allow service to interact with the desktop. This sets the registry Type value DWORD to 110 (default is 010) for the HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\vpnagent
    Note: If this is to be used, then the preference would be to use the .MST transform in this instance. This is because setting this manually using the following methods requires that this be set after every install/upgrade process. Therefore, the need to identify the application that is causing this.

VPN Client Driver Error: Solution 2

Complete these steps in order to resolve the problem:

  • Open a command prompt as an Administrator on the PC.
  • Run net stop CryptSvc
  • Run esentutl /p %systemroot%\System32\catroot2\{F750E6C3-38EE-11D1-85E5-00C04FC295EE}\catdb
  • When prompted, choose OK to attempt the repair.
  • Exit the command prompt.
  • Reboot.

For additional help, please contact the LTS Help Desk at 610-758-4357 or