UE4Editor.exe crashes with one-line callstack when opening a project

No I installed 4.1 then i used it for about an hour or more then when I closed it and came back later it would give the above crash screen everytime on open any project or a clean start the editor just wont open at all, as I said before installing 4.0.2 works just fine and I did try to verify the install of 4.1 and when that didnt work I download a totally new fresh copy which also didnt work.