svchost.exe -k wersvcgroup - Necessary
%windir%\system32\svchost.exe -k wersvcgroup
Allows errors to be reported when programs stop working or responding and allows existing solutions to be delivered. Also allows logs to be generated for diagnostic and repair services. If this service is stopped, error reporting might not work correctly and results of diagnostic services and repairs might not be displayed.
WerSvcGroup is a system service.