It may work, however if it does not then copy the following programme to a USB stick.
Please download Farbar Recovery Scan Tool and save it to the USB.

Then select repair my computer
From there select Command prompt

Click repair my computer

http://i1224.photobucket.com/albums/ee362/Essexboy3/RepairVista_7275.jpg

Select your operating system

http://i1224.photobucket.com/albums/ee362/Essexboy3/RepairVista_7277202.jpg

Select Command prompt

http://i1224.photobucket.com/albums/ee362/Essexboy3/RepairVista_7277.jpg

At the command prompt type the following :

notepad and press Enter.
The notepad opens. Under File menu select Open.
Select “Computer” and find your flash drive letter and close the notepad.
In the command window type e:\frst64.exe and press Enter
Note: Replace letter e with the drive letter of your flash drive.
The tool will start to run.
When the tool opens click Yes to disclaimer.

https://dl.dropbox.com/u/73555776/FRST%20Start%20scan.gif

Press Scan button.
It will make a log (FRST.txt) on the flash drive. Please copy and paste it to your reply.