MS: GPRESULT Access Denied Error

Open Command Prompt and paste following commands:

cd /d %windir%\system32
regsvr32 /n /I userenv.dll
cd wbem
mofcomp scersop.mof
gpupdate /force
gpresult

or create a .cmd file and copy the script below

cd /d %windir%\system32
start /wait regsvr32 /n /I userenv.dll
cd wbem
start /wait mofcomp scersop.mof
gpupdate /force
gpresult