Invisible Drop Down/ Popup Menus Bug

I’m having the problem of the thread below, but unable to fix it with the presented solutions, any menus are invisible, I can still click and interact with them but I can’t see the options. (Example: If all of a suddenly the Menus turn invisible, I can still click the file Menu, the Menu will drop down, appear for a millisecond and then turn invisible, I can then try my luck and click save all for example and the project will be saved)

Help would be much appreciated, this problem is driving me crazy, and I’m currently having to close and open again any project when this happens.

(Images are not mine, they are from the thread)

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Same Issue Here