Remove any GPO settings or login script commands that unregister the vgx.dll.
The commands that would unregister the dll are:
regsvr32 -u "%CommonProgramFiles%\Microsoft Shared\VGX\vgx.dll"
regsvr32 -u "%CommonProgramFiles(x86)%\Microsoft Shared\VGX\vgx.dll"
Run the following commands to register the dll
regsvr32 "%CommonProgramFiles%\Microsoft Shared\VGX\vgx.dll"
regsvr32 "%CommonProgramFiles(x86)%\Microsoft Shared\VGX\vgx.dll"
Note:
This dll (vgx.dll) may have been unregistered due to an publicly disclosed vulnerability in Internet Explorer.
Microsoft has released a security update resolves this vulnerability.
