Could you provide a dxdiag log? Press the Windows key + R, type dxdiag, press Enter, click Save all information... and post the contents of the saved log here within Code tags.
These errors are not a good sign for your hard drive. Download and install SpeedFan and check the SMART status of your hard drive(s) - if any have more than 0 reallocated sectors, back up your data and replace the hard drive.
Please try the latest patch of MTA:SA.