1. No pests.
Scan with EWIDO and Housecall. Or even http://www3.ca.com/securityadvisor/virusinfo/scan.aspx
2. Be sure you don't have OE set to disconnect after a mail check.
http://www.worldstart.com/tips/screenshots/connection-hu.jpg has a picture of the incorrect setting.
and another problem is my broadband providers homepage pops for no reason if yah got any ideas on this that be great.