I have a problem with boot scan!!

Hy, I need help.
I can not scan my pc before windows start up. Everytime I schedule boot time scan, and I restart pc it,s keep telling me eror: 42003( I’m not sure for number). what should I do?? ???
Please help! :slight_smile:
Thanks
P.s. Im sorry if ask this question again, but I searched forum, and I couldn’t find anything like this:
P.P.S. I’m sorry for my bad english. :slight_smile: :slight_smile: :slight_smile:

look at http://forum.avast.com/index.php?board=2;action=display;threadid=3974;start=msg28565#msg28565
On Tuesday, there should be new program update, if all go ok.