Click the Windows logo in the bottom-left corner of the screen. You'll want to do this on the user account for the person for whom you want to block this application. Doing so searches your computer for the Registry Editor program. It's a blue cluster of cubes at the top of the Start window. This will prompt Registry Editor to open. If you aren't an administrator, you won't be able to open the Registry Editor. To do so:  Double-click the "HKEY_CURRENT_USER" folder in the top-left side of the window. Double-click the "Software" folder below "HKEY_CURRENT_USER". Double-click the "Microsoft" folder. Double-click the "Windows" folder. Double-click the "CurrentVersion" folder. It's in the list of folders below the "CurrentVersion" folder. Doing so will display the folder's contents in the window on the right side of the page.
افتح قائمة ابدأ. ابحث عن محرر سجل ريجستري عن طريق كتابة regedit في قائمة ابدأ. افتح محرر سجل ريجستري regedit. انقر على خيار الموافقة Yes عندما يُطلب منك ذلك. توجه إلى مجلد السياسات. انقر على مجلد "Policies".