I switched to avast! ages ago when AVG started to nag me about upgrading to V8.0 that I found to be too slow on my system at the time but maybe its better now. Looking forward to avast! V5. Finjan SecureBrowsing works great on XP: http://securebrowsing.finjan.com Browser Defenderâ„¢ works great on Windows 7: http://www.browserdefender.com