Antivirus updates issued by Trend Micro Inc. on Friday crippled Windows XP and Vista PCs when they mistook several critical system files for malware, and blocked access to those files.
Some users have yet to regain control of their PCs, according to e-mail sent to Computerworld.
Two signature updates that Trend Micro released Friday for its most popular consumer security software incorrectly identified up to eight different Windows files as Trojans, then quarantined those files, thinking they were dangerous. The updates were issued to users running Trend Micro’s AntiVirus plus AntiSpyware 2008, Internet Security 2008 and Internet Security Pro 2008. … Go to source