Thanks Dennis,
I couldn't find anything in the logs and it wasn't the Forefront based on the link above.
Unfortunately a heavy workload means I'm going for the easy option of un-install/reinstall, however if we do put the web portal in to production I will need Forefront installed, however at that stage I'll snap the vm and backup the databases before I install
so I can roll-back and if it does break it then I'll go with a Premier call.
Thanks again for your help.
Aengus