1. Stay away from non-standard search engines... trust google.com and yahoo.com.
2. Don't download unknown files to your computer, whether they come from strangers via email or in pop-up windows asking for permission to download... Just say no. Please."
3. If you borrowed someone's floppy disk or CD with Word documents or Web pages and .EXE files... Scan them with a virus scanner before opening the files on the floppy disk.
5. Run your antivirus scanner weekly... preferably keep it running 24/7 in the background of your computer
6. Install Microsoft Anti-Spy... When you download software and try to install it, it warns you of what is going on behind the scenes.
One final tip:
Well - if Aurora has already infected your computer, you will experience popups and all sorts of problems...