Hi Chloedog,
If you haven’t already, you should do a boot time scan with avast!
(In Win 98 this is not possible- boot into safe mode before scanning- hit F8 while booting.)
Right click the avast! globe and select Start avast! Antivirus.
avast! will do a memory scan: if it finds malware in memory, it will prompt you to do a boot time scan: accept this and reboot.
If avast! doesn’t find anything in memory, schedule a boot time scan. (Click the button at the top left of the avast! silver console and select Schedule boot time scan from the drop-down menu.)
The safest option if avast! finds anything during a boot time scan is ‘move’.
If you haven’t done so already, it would also be a good idea to download and run Ad-Aware and Spybot Search & Destroy to look for any spyware on your system.
http://www.lavasoft.de/
http://www.safer-networking.org/en/download/
Be sure to update both programs before running. Run both programs in safe mode- tap F8 while booting.
http://www.pchell.com/support/safemode.shtml
If you still have a problem, could you make a note of the warnings you receive, file names and locations. We can’t really help you without any specific information…
Some information about your OS would also be useful…
Right click My Computer and select Properties. Tell us what it says under General.
Sorry to send you away to do more scans, but if you can come back with more information, rest assured we can help you.