attrib -r -s -h %WINDIR%\SYSTEM32\dllcache
ren %WINDIR%\SYSTEM32\dllcache\msi.dll *.sym1
ren %WINDIR%\SYSTEM32\dllcache\msiexec.exe *.sym1
ren %WINDIR%\SYSTEM32\dllcache\msihnd.dll *.sym1