Hi my name is ***** ***** I will be the expert working with you today to help and resolve the problem you have posted.
I am sorry to know that you are facing problem with your computer what AppHangB1 error.
1. Run the Microsoft Windows Malicious Software Removal Tool
2. Download, install, update and run:
SUPERAntispyware (freeware) and Malwarebytes' Anti-Malware (freeware).3. Run this online scan (in safe mode with networking, if possible):http://onecare.live.com/site/en-us/center/howsafe.htm4. See and follow carefully: "Checking for/Help with Spyware, Malware and Hijackware"