capture function on my system is very unstable. everytime I tried to capture a screen pop up and said "atimmc is causing an error in atidvcr.dll, atimcc will now closed".

I am using MMC 7.1 and directx 8.1, my OS is WinMe, My box is an AMD 1600XP with 512Mb of ram and 80 GB of hd in raid 0 configuration. . thanks in advance for any help.