Monitoring - but give this a go first

Download Windows Repair (all in one) from www.tweaking.com/content/page/windows_repair_all_in_one.html
Install the programme then run

Go to step 2 and allow it to run Disc check

http://i1224.photobucket.com/albums/ee362/Essexboy3/Capture3.gif

Once that is done then go to step 3 and allow it to run SFC

http://i1224.photobucket.com/albums/ee362/Essexboy3/Capture.gif

On the start repairs tab select advanced mode and click start

http://i1224.photobucket.com/albums/ee362/Essexboy3/Capture1.gif

Select the items ticked(remove the ticks from the rest ) and tick restart system when finished