Please help. Avast! Antivirus Autosandbox kills explorer.exe

Hello, I have been using Avast for a long time now.
However, after the new update, Avast has started to think explorer.exe is suspicious, and it automatically puts explorer.exe in the sandbox.
This causes my computer to crash. How do I stop Avast from autosandboxing explorer.exe?

Where explorer.exe is located (path)?
Can you boot in safe mode, made a copy of explorer.exe file to a safe place and submit it to www.virustotal.com ?

Hello,
send us the file to analyze, please. For faster resolution you can use address: hrdy… (… means @avast.com).

Milos

@milos
There is another post that is very similar to the OP’s problem. Additionally, task manager is considered suspicious.
http://forum.avast.com/index.php?topic=94053.msg749083#msg749083

Seems it’s spreading http://forum.avast.com/index.php?topic=94149.msg749510;topicseen

nothing here so far … is that just on XP or what ???

Not here.