I have Windows 7 64 bit and use IE 10. Recently out of no where the laptop is really slow to start up, wifi frequently drops & IE almost always "not responding" and I hit control + alt + delete and the pc doesn't respond until about the 5th attempt. I have ran check disk in safe mode b'c it wouldn't get past 32% in normal mode. It found no errors. I also noticed my restore points are all deleted. I ran several complete checks through Norton 360 and found nothing. I did notice a little while back Norton blocked 2 attacks. Any help is appreciated