I realize this is an old thread but I didn't see any more recent discussion on this issue.
I'm having this same problem as well - my server is pegged with php-cgi processes taking up all the processor. I have oodles of disk space. Out of 2 gig of memory I still have 400mb open. So plenty of memory. Any idea what these processes are doing and how to work with this? The system is a 3GHz Pentium 4 running Windows Server 2003.
Are there PHP settings I need to tweak?
