Its a scam and all they want is your money! They have no way of knowing whats going on with your computer and No legitimate company cold calls like this.  The scam usually entails them taking you to your event viewer which is a internal monitor that logs events on your computer.. Oh sure, you will see the error's logged, but its all a scam to get you to allow them access to your computer. The event viewer is only doing its job and its there for a real tech to look through should you actually have a problem. Then they want remote access! They usually turn your anti virus program off  and give you a big spiel, then inform you they want a small fee to fix it.. several hundred dollars of course! Meanwhile, they have access to all your computer and could be gleaning personal info, downloading stuff to your computer to turn it into a zombie computer to spam folks..

The only persons who should be touching your computer is you, your manufacturer, Real Windows support that you have called and/or maybe a real live tech you see face to face!

http://www.microsoft.com/security/online-privacy/avoid-phone-scams.aspx

http://news.softpedia.com/news/Cold-Call-Tech ... on-150170.shtml

http://www.ftc.gov/opa/2012/10/pecon.shtm

http://www.nbcnews.com/technology/were-window ... scam-6C10631331

http://www.scamwatch.gov.au/content/index.phtml/itemId/989316

http://www.net-security.org/secworld.php?id=13376

I received this call from 345-490-0102 one evening and a guy stating that he  was from Windows. He told me that they had gotten notice at Windows that I had someone logging into my computer besides me, and that it was the reason that my computer had been running so slow. He gave me a number and had me do a few things and he had me confirm that the number he gave me was what was in my computer. He was now in my computer doing things to it. He brought up a black page that showed me that I had a link from Nigeria hooked into my computer, causing it to be slow. I pay for High Speed internet from Frontier, I even had a repair man here in my computer from Frontier. He told me that he couldn't figure out what was causing my computer to run slow, that it had to be cause I was so far from the main box and I was lucky to have what I had. Then this man that had called me tried to sell me security packages. When I told him that I had no money at all, he was very persistent and continue to try and sell me cheaper protection. I finally told him I had just visited a free food give away, that I was completely broke, so there was no way I could buy anything. At this time it was going through my mind that he was trying to get me to use my credit card, to steal my information. This was my way of getting him to think I was unable to purchase anything. I do remember that when he called I was on Amazon shopping for Christmas. He had an accent, and got very agitated when I questioned or didn't understand what he wanted me to do. Yet tried extremely hard to be polite. He told me that he would do my computer for free, continued to do some things, then shut my computer down and restarted it. I don't know if he was real or not, but I know my computer is still running extremely slow and I am going to contact Frontier for advice and to question what I get charged for every month for protection! I am now scared to put any information on my computer!