Resizing editor = crash

I tryied to update OS (windows 10)
I tryied to update drivers.
I tryied to update engine (4.20,4.21,4.21.1)
I tryied on a new blank project
But once I try to move or resize the editor window, the editor crashes with this error :

Hello,

We’ve recently made a switch to a new bug reporting method using a more structured form. Please visit the link below for more details and report the issue using the new Bug Submission Form. Feel free to continue to use this thread for community discussion around the issue.

https://epicsupport.force.com/unrealengine/s/

Thanks