Hello,
I have been googling this issue for a while now and searching these forums but have not found a solution.
I have 4 computers all running Windows 7 64bit Ultimate. They have all been part of the same Homegroup for a while now and have worked fine. They all run the same Avast Free...
antivirus
computer sharing
connectivity
firewall
homegrouphomegroup troubleshooter
homegroupwizard
internet
local network
network discovery
network settings
networking
pc visibility
ping issues
public network
setup issues
troubleshooting
windows 7
windows ultimate