manoloberetta

hello, I have an old dell with a P4 660 @3.6ghz 4 gb ram and an amd hd 6570 1gb ddr3, I know is an old computer but that is why I want to fry it, it can play Crysis maxed @ around 30-40 fps and I just want more fps, so i decided to overclock the video card. the card came with core clock @ 650 factory and 900mhz memory memory which I increased to 675 core clock and 1000 memory using the amd catalyst, I saw an improvement of bandwidth from 28gb/s to 32gb/s and increased frame rates, but I read that I can achieve 845mhz core clock and 1150 memory usin msi afterburner, I followed your guide but I was stocked when I need to save the changes in the msiafterburner cfg file, it says acces denied, I am currently the admin for this pc, and can not see why would not let me keep the changes, any help or comment will be greatly apreciatted, thak you!