Sophos Antivirus Central managed client – can not be uninstalled
Boot the system into Safe Mode.
Click Start > Run > services.msc > right-click Sophos Anti-Virus service > properties > set to disabled > OK
Click Start > Run and type regedit and then click OK.
Go to the following location in the registry editor: HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\Sophos MCS Agent and set the REG_DWORD Start to 0x00000004
Go to the following location in the registry editor: HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\Sophos Endpoint Defense\TamperProtection\Config and set the following REG_DWORD values SAVEnabled and SEDEnabled to 0
Go to the following location in the registry editor: HKEY_LOCAL_MACHINE\SOFTWARE\WOW6432Node\Sophos\SAVService\TamperProtection and set the REG_DWORD Enabled to 0
Reboot the system in normal mode.
Enhanced Tamper Protection is now disabled. You should now be able to uninstall Sophos Protection.