Why does the visibility of the computer disappear after creating / changing a file on it?

Question

System administration

Good afternoon. There is a domain to sit on windows server 2008r2. Two machines - Windows XP SP3 + NOD32 antivirus and Windows 7 + Q360, firewalls built into windows are disabled.
The essence of the problem is that on a machine under xp there is a necessary folder in which reports are stored and you need to do it in it. I connect, create a file ... all the rules .. I open the file - there is no network. The computer disappears from network discovery and no longer responds. To me - everyone else can see, this computer also sees everyone except me. The network is automatically restored after 20 minutes, I can walk. copy, but I can not create something new. I updated the drivers for the network, turned off the antiviruses .. what could be? If you open a file and change it, it is no longer saved.

Answer 1

There are network problems on your computer, most likely it is a hardware issue.
Put a discrete network card and try to work with it.
It will not help - re-wire the wires in the network sockets, replace the patch cords, connect to another switch port ...