The Procedure Entry Point Gpupowersaving Could Not Be Located in the Dynamic Link Library Vgadll.Dll

Old DLL Library
If an older DLL library is being used, upgrade to a newer version of the library if one is available. A new procedure may have been added to the newer DLL library that was previously unavailable in the older DLL library.
New DLL Library
A newer DLL library may not support the newer procedure you require. If you already upgraded your library, consider downgrading to the older DLL library to use the entry point your application requires.
Corrupt or Replaced DLL
The DLL file causing your problem may be corrupt or another program may have replaced it. Retrieve a new copy of the DLL file from the operating system's installation disc or download a new copy of the DLL file. Replace the corrupt DLL file with the copy to solve the problem.