In that case I have a strange Keyboard set up. And you're right about the scroll lock as well. I just didn't realize that before, since I never touched it. :)
Thank you for recommending this idea. I tried it out, but it doesn't seem to work. :/
It's my first time working with autohotkey. These are the lines I used:
"CtrlBreak::return
Pause::return
Break::return"
since this didn't work I looked for another solution, found something and came up with...
Fat fingering this key a couple of times after 80 h of gaming seems valid to me and is not an user issue, IMHO. But thank you for the not so helpful answer anyways...
As the title says, whenever I accidentally use the key combination CTRL + Break, the game leaves the fullscreen mode and goes into a small window mode. This way you barely can see anything. I didn't find a way to go back to fullscreen, while still in game. Thus, every time it happens, I have to...