MCMS 2002 IIS worker process crash

Hi there,

I'm hoping that you can help me with an MCMS 2002 Enterprise SP2 problem.
On 
our server we are having a large number of IIS worker process crashes:

IIS Worker Process encountered a problem and needed to close.

Error signature:

szAppName: w3wp.exe
szAppVer: 6.0.3790.3959
szModName: REAuthFilt.dll
szModVer: 5.0.5054.0
offset: 000044fd

The MCMS functionality is also running slowing and not functioning well at

times. We've got MCMS running elsewhere and not had this problem, the 
configuration is the same and it does work 80 - 90% of the time so we're 
really not sure what's causing this.

If you need any further information please let me know.

Many thanks,
Jon.