After using the 'Protect computers wizard' in Sophos Enterprise Console, version 3.1 and above, with 'Remove third-party security products' selected, the third-party security software is removed, but the error 'Could not copy RMS config file cac.pem' is displayed in Enterprise Console. The Sophos software is not installed.
Sophos product and version
Sophos Endpoint Security and Control, version 8.0 and above
Sophos Enterprise Console, version 3.1 and above
What to do
This issue occurs when the third-party software has been successfully removed, but its driver is still running.
To resolve the problem, reboot the affected computer. When the computer has rebooted, click 'Protect computers' again to install the Sophos software.