Rebuild WMI Repository

%systemdrive%
cd %windir%\system32\wbem
net stop winmgmt /y
if exist repository.old rmdir /s /q repository.old
rename repository repository.old
net start winmgmt

cd /d %windir%\system32\wbem
for %i in (*.dll) do RegSvr32 -s %i
for %i in (*.exe) do %i /RegServer

for /f %a in ('dir /b *.mof *.mfl') do mofcomp %a