Don't use this company! One of our computers was freezing and we spent $300 to get the Cyberdefender software. Not only did they screw it up so bad that our internet stopped working and the computer started to freeze up even more, but we couldn't get in touch with the billing department to get our money back! We had also had them "optimize" another laptop in the household and they had it messed up to where it stopped recognizing my iphone, couldn't download microsoft updates anymore, and would just loop itself from... read full review »