You should go here and find out the suitable/updated drivers for your video card, rather before doing it create a restore point so that we can roll back in case of unwanted crashing happens.
Create a Windows System Restore Point -
Vista - START | type rstrui - create a restore point
Windows 7 - START | type create | select "Create a Restore Point"
also your speccy results shows:
which is not a good sign , it indicated wrong voltages are supplied to CPU.
I suggest you to download HW Monitor from here and post back the results.
To capture and post a screenshot;
Click on the ALT key + PRT SCR key..its on the top row..right hand side..now click on start...all programs...accessories...paint....left click in the white area ...press CTRL + V...click on file...click on save...save it to your desktop...name it something related to the screen your capturing... BE SURE TO SAVE IT AS A .JPG ...otherwise it may be to big to upload... Click on the More Reply Options tab then after typing in any response you have... click on Choose File...desktop...find the screenshot..select it and click on Attach This File...on the lower left...after it says upload successful...click on add reply like you normally would.