Windows 10: Top Part of Maximized Window is not Visible

I have rarely the issue that all of a sudden, on some programs (for example Edge and Firefox) I can't see the top part of the Window anymore. Preconditions for this to happen: Multi screen (does never happen on single screen setups) Happens only on the primary screen Only when application is maximised Only some applications are affected, not all (Microsoft Office apps are never affected): File Explorer, Edge, Firefox, Notepad and many others What does not help: Minimizing Read more [...]