Crashes when selecting post-processing or entity shader (I just tested post-processing).
OS: Win7 Pro 64bit
Error details (perhaps they are useful?)
Quote:

Problemsignatur:
Problemeventname: CLR20r3
Problemsignatur 01: fxed.exe
Problemsignatur 02: 1.0.0.0
Problemsignatur 03: 4c4e2592
Problemsignatur 04: FXED
Problemsignatur 05: 1.0.0.0
Problemsignatur 06: 4c4e2592
Problemsignatur 07: 14
Problemsignatur 08: 0
Problemsignatur 09: System.BadImageFormatException
Operatingsystemversion: 6.1.7600.2.0.0.256.48