Fix The Problem "This program might not have installed correctly" in Windows 7

When you try to install any software or execute any .exe file in your windows 7 computer, it gives you a notification message saying that “This Program might not have installed correctly“. This feature of windows 7 becomes sometime very useful because you are informed if you have done something wrong when installing any program. But if this warning message pops up every time you install a program, even you’ve installed the program correctly and the program works very fine, you definitely feel irritating. It would be better to disable this annoying window. Here is the procedure to disable the “Program Compatibility Assistant” wizard.

[ Related fix: Windows XP Crashes With Blue Screen And Restarts Automatically]

How to Disable “This program might not have installed correctly” Warning

• Go to the start menu and type “services.msc” in the search box then press enter.

• A new window “Services” will be displayed. A lots of services are listed in this window. Search for “Program Compatibility Assistance Service” in the list. Right click on this service and select “Stop“.

• Now again right click on “Program Compatibility Assistance Service” and select “Properties“.
• A “Program Compatibility Assistance Service Properties” window will appear. Under “General” tab in the “Startup type” section, click on the drop-down menu and select “Disabled“.
• Click on “Apply” then “OK“.

Now the Program Compatibility Assistant is disabled. To get effect restart your computer. To check the Program Compatibility Assistant is disable or not open the task manager (Ctrl+shift+Esc) and search for “PcaSvc” service under the service tab. Hopefully, you don’t find this service in the task manager. Finally you have done your job sucessfully.