Would something like a crossover cable and something like the old laplink software.
Thanks David. I appreciate your efforts.
But the network worked in the past and it's working now, I can ping... there is no cable or hub troubles.
The problem seems to be at 'share' folders, access, security, etc.
Bob, I've tested the Network Magic in my computer and the same. Only when the router is detected it works.
The Network Heath and Security Alerts is giving me a false positive... Maybe a language problem (I'm not using an English Window).
I'm sure there is not any update available...