PC Tonic

Online virus / malware scanners do a very good job of keeping your computer clean and safe for free, and with minimum download. Occasional online scanning can get rid of those malware that might have given your security a slip. All the free scanners mentioned below will scan and remove the infections from your computer. However, for permanent security you should consider using an antivirus, an antispyware, a firewall and a safe web surfing tool.

Panda NanoScan ~ Panda
*****
Requirements: Internet Explorer 6 or higher / Mozilla Firefox 1.5 or higher
System Requirements: Windows Vista/XP/2000
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TrendMicro HouseCall ~ TrendMicro
*****
Browser Requirements: Internet Explorer 6 or higher / Mozilla Firefox / Mozilla 1.7 or later
System Requirements: Windows 2003 Server/XP (at least SP1)/2000 (at least SP2)/NT 4/98SE, Linux (libc6 support required), Solaris 2.6 or higher
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BitDefender Online Scanner ~ BitDefender
*****
Browser Requirements: Internet Explorer 4 or higher
System Requirements: Windows Vista/2003 Server/XP/2000/ME/98
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Windows Live OneCare Safety Scanner ~ Microsoft
*****
Browser Requirements: Internet Explorer 6 or higher
System Requirements: Windows Vista/XP
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