If you’re, however, still having the issue, you can fix it by following the steps below:

We believe the issue isn’t fixed for regular users as of yet, but it is possible Microsoft has already fixed the issue. Microsoft has already fixed the issue, and it’s currently available to those part of the Office Insider program’s Slow Ring. That’s because if you’re playing a game in full screen and this window pops up, the game will pause which is definitely going to be quite infuriating. The issue results in a command prompt window popping up every hour - it may not sound too annoying at first, but if you play a lot of games, it’ll surely annoy you.

There’s a really annoying issue in Office that’s been bugging a lot of users recently.