First thing I would do is check for a virus, trojan or ad-ware or spy-ware.
Here are some links you can use to check for these.
Ad-Ware Checks and removes spyware
http://www.spychecker.com/download.html
MooSoft 30 day evaluation program for trojans
http://www.moosoft.com/features.php
PC Pitstop antivirus program Must have IE Explorer 4.0 will not work with Netscape.
http://www.pcpitstop.com/antivirus/default.asp
PC Cillion
http://housecall.antivirus.com/housecall/start_corp.asp
Here are some links you can use to check for these.
Ad-Ware Checks and removes spyware
http://www.spychecker.com/download.html
MooSoft 30 day evaluation program for trojans
http://www.moosoft.com/features.php
PC Pitstop antivirus program Must have IE Explorer 4.0 will not work with Netscape.
http://www.pcpitstop.com/antivirus/default.asp
PC Cillion
http://housecall.antivirus.com/housecall/start_corp.asp
