I notice that my Windows 8 often goes black screen after logon. I found out that it ties to the Avast! Antivirus trying to block some behavior.
Below are solutions that I tried and it works:
1. Add the following files as trusted application in the Behavior Shield Setting:
2. Go to Behavior Shield Setting and Uncheck “Monitor the system for unauthorized modifications”
It works for me.. maybe you can try and leave a comment.
:: aerobrainTech ::