Thanks for your answer. I had the same idea but sadly it doesnt work for me. Complete fresh install of Win 10 Pro (64bit) and the first Software after Displaydriver was the latest QGIS version and...

Hey Mate, just signed up in forum only for your topic lol.
I just ran into the exact same problem as you had one year ago. QGIS takes ages to start and when its running everything is heavily...