Hi,
If you are having problems with a WIN8 networked site, read this link
http://support.microsoft.com/kb/2019185 it will save you a lot of hair loss.
Also most of the Techo's out in the wild aren't aware of it and try and pass it of as Your Software is the problem.
Just spent 4 days educating another omnipotent Techo.
Regards N Mc Donald