hello!
my PC has some viruses that makes windows lose focus and full-screen windows minimize… 
i cant remove them. please help me!
here is a screenshot of my virus log ( its in Norwegian, but the name of virus is understandable for all )
du har en Siref rootkit infektion :-[
follow this guide and attach the logs…not copy and paste
http://forum.avast.com/index.php?topic=53253.0
AdwCleaner
Malwarebytes
OTL
aswMBR
when done, malware experts will be notified and check your logs. it may take hours before one arrive so be patient