hello - my daughters AMD came up with the following error last week. I managed to get the wee beastie running again after running a check disk, but the problem has returned. (Blue Screen): "A problem has been detected and Windows has been shutdown to prevent damage to computer. BAD_POOL_CALLER If this is the first time youve seen this stop error, restart your computer. If this screen appears again, follow these steps. Check to make sure any new hardware or software is properly installed. If this is a new installation, ask your hardware or software manf for any windows updates you might need. If problems continue, disable or remove any new installed hardware or software. Disable BIOS memory options such as caching or shadowing. If you need to use safe mode to remove or diaable components, restart your computer, press F8 to select Advance Startup Options, and then select safe mode Tech Info: STOP: ox000000C2 (0x0000007), 0x00000CD4, 0x00000000, 0xE15581B8 Any ideas, do you think the problem IS with XP?