> I'm using WinXP Pro 32bit with 4GB ofRam (3,25GB) and get this error after a
> while when using CMPro. Is this a known error?
>
> Same error comes with Vista 64bit and full 4GB Ram.
>
Does your issue looks like this one ?

http://www.clrmame.com/cgi-bin/wwwthreads/showpost.pl?Board=clrmame&Number=3970&page=0&view=collapsed&mode=flat&sb=7#Post3970