An update.
I installed Avira antivirus on the Win 7 PC on which the homegroup was created. - no change.
Norton supprt told me to add a rule to allow all traffic between the 2 computers - after running the HOMEGROUP troubleshooter The WIN 7 PC was able to "see" the libraries on the WIN 8.1...
I have an issue with homegroups where both devices run Norton (NIS).
Environment is as follows:-
Laptop running win 8.1 and NIS
Desktop running win 7 and NIS
Have both wired and wireless network but have disabled the wireless adapters in both devices.
After much experimentation and research to...