When I try to start Unity, the normal loading screen appears for 2-5 seconds and closes after that. Then i receive the message that Unity crashed and I can send a crash report. Any ideas how I can fix that?
PC is running Windows 8.1
5.3 is buggy in a couple of ways.
Check out your lightmaps if you have any
There are also a few problems with shaders not being included in the build, so it might be worth checking that too
I have the same problem but with Unity 5.3f1