1. Press
Win + R on your keyboard to open the Run dialog. (Alternatively, press the windows start button

and type in
run, select Run App

)
2. Type
cmd and press Enter key or click on "OK." This will open the Command Prompt.
3. In the Command Prompt window, type the following command: gpupdate /force and press Enter.
4. Allow the process to complete. This command forces an immediate update of group policy settings on your computer.
It can take up to 30 minutes. If it asks you to logoff (Y/N) - please save your work and then type Yes.
Then you can sign back in, that sign-in might also take up to 30 minutes.