Dear Unreal Engine Support,
I am currently having difficulties using the Unreal Engine. I have already reinstalled the software three times and tried various solutions. Unfortunately, I keep getting pop-up windows that look like the main application (“Main App”). These prevent me from using the engine properly.
I would be grateful if you could help me to solve this problem.
Kind regards
Leon
Hello @ToGood4YourMAMA
Let me try to help you with this!
First, try resetting the layout to see if it solves the problem:
RESET THE LAYOUT:
If the Default Layout doesn’t solve the problem try the following.
REVERT TO A PREVIOUS UNREAL VERSION:
I can see you are in the last Unreal Engine version, it might be related to the latest Unreal Engine update. I’ve noticed that some users are experiencing different issues with the newest version.
My suggestion is to uninstall the current version and install an earlier one. For example, try 5.4.2 I’m working with that version, and it’s been pretty solid.
If you don’t know how to install an old version, here’s a video.
Let me know if any of that helped! I hope it did 
I think that I found the solution.
1: Reinstall the actual graphics driver (I reinstalled the studui version 566.14.
Tell the Installation the rest the driver to standart settings <— very important, otherwise it will not work.
I had the problem in all version of UE and in UEFN. Now UE and UEFN seem to work fine again.
I hope this will work for you also.
best
Jens / CTO at AlphaFlare
