Code
@echo on 
cd /d c:\temp 
if not exist %windir%\system32\wbem goto TryInstall 
cd /d %windir%\system32\wbem 
net stop winmgmt 
winmgmt /kill 
if exist Rep_bak rd Rep_bak /s /q 
rename Repository Rep_bak 
for %%i in (*.dll) do RegSvr32 -s %%i 
for %%i in (*.exe) do call :FixSrv %%i 
for %%i in (*.mof,*.mfl) do Mofcomp %%i 
net start winmgmt 
goto End 

:FixSrv 
if /I (%1) == (wbemcntl.exe) goto SkipSrv 
if /I (%1) == (wbemtest.exe) goto SkipSrv 
if /I (%1) == (mofcomp.exe) goto SkipSrv 
%1 /RegServer 

:SkipSrv 
goto End 

:TryInstall 
if not exist wmicore.exe goto End 
wmicore /s 
net start winmgmt 
:End