Once you’ve set Steam not to run in compatibility mode, run Warzone 2.0 again and check if the problem has been resolved. Disable compatibility mode for Modern Warfare 2 / Warzone 2.0: ...

iTunes.exe has been set to run in compatibility mode for an older version of Windows. For best result, turn off compatibility mode of iTunes before you open it. Sigh. Stupid Windows.

On Macs that have a notch, the Finder automatically adds a checkbox to an app's Get Info panel that can be used to manually enable or disable the new compatibility mode. Alternately, developers ...

Select the Compatibility tab. Select the Run This Program in Compatibility Mode option. From the drop-down list, choose the operating system you ran before upgrading to Vista.

Mysticgeek writes at the How-To Geek's home away from Lifehacker about the ins and outs of Compatibility Mode, Windows 7's hidden-but-awesome feature for making older programs work more seamlessly ...