The 1394 net adapter is a firewire adapter with networking
capability. The system control panel lists this under network
adapters, even though the 1394 adapter probably isn't being used as
a network adapter for the computer, unless you changed something to
make it as the network adapter.
When did this error start? Have you tried a system restore? A
system restore may help to solve this problem.
If system restore doesn't solve it, try uninstalling this device
and reinstalling it again.
