Unreal crashes before it even starts. Same after reinstall

Unreal Alpha crashes with this report:

MachineId:D2A36C4D4E5182A1E55FA3AEBD813D50
EpicAccountId:384a90f408e345db8d0708d9080a59de

You do not have any debugging symbols required to display the callstack for this crash.

Hi scuba2k3,

This is a duplicate of another thread you posted earlier:

Please continue the conversation there. I am closing this as a duplicate.