Win8/Win8.1 how to disable the "Program Compatibility Assistant" prompt

Starting from Vista, Microsoft introduced a "program compatibility assistant", after the Win7, Win8, Win8.1 three generation systems, the program compatibility assistant still let users Worry, often popping up the window to remind the user from time to time, the current program may have compatibility issues. In fact, these programs are not problematic in terms of system compatibility, except that no compatible system platform is specified.
That way to turn off this program compatibility assistant feature, you also have a quiet computer desktop.
Attachment: Program Compatibility Assistant Tips
Program Compatibility Assistant, Program Compatibility Assistant, PCA for short. This tool is primarily used to monitor programs installed and run by users and to detect known compatibility issues. If there is a known compatibility issue, Windows prompts the user to reinstall using the recommended settings, and the user can ignore the prompt to continue.








System platform: Win7, Win8, Win8.1 and other system platforms
Methods 1, system services articles:
1, use the shortcut key "Win+R" to open the run In the box, enter services.msc

2, open the system service list, search for Program Compatibility Assistant Service (


3, double-click the service item, change the startup type "disabled" ", service status "stop"

4, determine the application, the restart takes effect.
Method 2, Group Policy articles
1, use the shortcut key "Win + R" to open the run box, type gpedit.msc
2, open the local group policy editor
3, in turn locate the user Configuration "Administrative Templates" Windows Components

4. Select "Application Compatibility" on the right side

5. Double-click to open the "Close Program Compatibility Assistant"

6. Configure as enabled