I think my computer system is infected with the Worm.Happy99 which is reducing the performance of my computer system. I get to know this when my antivirus software gave me the alert message that Worm.Happy99 is detected on my computer system.I have deleted this Worm.Happy99 from my computer system more than one time but it comes again and again when the system restarts. I want to know the perfect method for deleting this Worm.Happy99 from my computer system.
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