You can try the physical wigglers? They’re like $20ish and can be plugged into a power source that’s not your work device if your company is particular about that too.

It’s basically a timer and a cheap motor that rotates a disc with a pattern that is meant to trick laser mice into thinking that it’s being moved across a valid surface. Some are better than others.

Other homemade solutions would be opening notepad and having a heavy object press a key, but that seems not ideal for random window pop-ups.