Why does my Toshiba Satellite A100 Laptop keep freezing?

Mazria143

New member
I have re-booted twice. I'm not sure if installing the Norton 360 Antivirus Software could be the culprit? As that was when the freezing problems began. My hard drive has been defragmented and i have 43.7GB of free space, so i don't think my laptop is overloaded...
I'm not an expert with all this technical stuff, so any help is appreciated... thanks
 
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