It sounds like a problem with something running in the background to me. It could be anything from an Anti-Virus program to an actual virus it’s self. If you have AV software on your PC, uninstall that then restart and then run the game. If you don’t have AV software then install AVG or something for free and then check to see if you have anything in the background sending out emails or anything else viruses like to do.
If it still happens after than then to tell you the truth it sounds like it could be a big problems with something you might be running in the background. Check all programs you have starting up with windows by going to:
Start > Run > Type msconfig in the text box, then press ok > Go to the Startup tab > Click Disable All > Click Ok > Restart
If it still happens after all of than then… well, my best bet would be to completely reinstall windows. But if it still happens after a clean install of windows… Then all is lost and it will most likely be a hardware problem.