did you make sure to run game booster...lol
just kidding, try closing all things in these catagorys
Downloading
Up|oading
Scanning
sometimes your antivirus is scanning your computer and you dont know it...pause the scan until after you are done.
stop downloading any torrent or any other file.
stop seeding torrents or anything else that is sending files across the internet.
oh yeah, and...wrong section.