First I would run scannow. This site offers a good explanation:
http://www.updatexp....cannow-sfc.htmlThen I would run checkdisk. Open "My Computer" and right click on your hard drive. (C:\)
Select
Properties. In the dialog box that opens choose the tab labeled
Tools.Check both boxes and click the
Start button. Windows will announce that it is necessary to reboot. Do so and wait for the process to complete. It will take some time.
When complete, go here:
http://www.geekstogo...-Log-t2852.html Follow
all the instructions, and then post a HiJackThis log here:
http://www.geekstogo...o-Here-f37.html, along with full explanation of the problem and what you have done up to that point. A trained specialist will assist you.
If problems remain after being given a clean bill of health by your helper, post back in this thread, and we will assist in getting everything sorted.