-= I just have an error a while ago… First, by Windows Explorer the afterwards… DrWatson32 PostMortem Debugger…
-= What is that DrWatson PostMortem for…? Is it a sign that there is an error in my system…?
Hi…
Here is a description from Microsoft…
http://support.microsoft.com/default.aspx?scid=kb;EN-US;308538
If this has happened several times, you may want to start looking into this from the malware end of it. See post #4 by Tech at this thread…
http://forum.avast.com/index.php?topic=39312.msg330023#msg330023
Along with this, I suggest an online scan be performed…
http://housecall65.trendmicro.com/
or
http://www.bitdefender.com/scan8/ie.html
Hope this helps. 
May God Bless you!
-= Whoa… ThanKs…!
Hi…
You’re welcome, glad I could help.
Best Regards…