Problem:
Error Installing Net Express Service Pack on file MFNXCL31.chm
When installing SVP00N31.exe onto a Net Express 3.1 install it is possible for it to fail on the file MFNXCL31.chm.
Resolution:
To resolve this issue rename the MFNXCL31.chm file in the original Net Express install directory and try to install the Service Pack again.
If this does not resolve the issue then contact you local SupportLine contact.
