The Windows 7 Program Compatibility Assistant is intended to help with the 
Setting up older software to help. Often you get the message during an installation: "This program may not have been installed correctly." Nevertheless, everything runs perfectly smoothly. So why not switch off this annoying message.
The command services.msc , which you enter into the field using the key combination Windows key + R , allows you to access the services by clicking the OK button.
In the newly opened window, look for the entry Program Compatibility Assistant Service in the list on the right.
Double-clicking this entry allows you to stop this service under the General tab.
Next, it is necessary to change the startup type of this service from Automatic to Manual . This is required to prevent the service from starting automatically again on the next restart.
Clicking the Apply button will make the changes effective, and the warning message should no longer be visible in the future.
