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NIS 2011 slows down laptop
my laptop is toshiba satelite, i am using NIS2011, still have 63 days to expiry date but there is warning: your NIS scan program expiry and no longer to use.
other thing, every time i used internet for fiew hours, my laptop become slow and slower and slower till it is became freeze..
i must shutdown my laptop, and start again and soon and soon..but its still running slow or even freeze again, till i make full scan and use Norton Power Eraser..it will run normal, and again appear problem in futures..
hope somebody can help my problem,,or i must used another anti virus? thanx..
[edit: Clarified subject.]