The network share (NIC, PC) disconnects from the network (router) during big file transfer

The system is Windows 7 64 bits

When I do big file transfer to the share folder on the computer, it disconects its network device from the router.

The solution is:

Set the following registry key to ’1′:

HKLM\SYSTEM\CurrentControlSet\Control\Session Manager\Memory Management\LargeSystemCache

and set the following registry key to ’3′:

HKLM\SYSTEM\CurrentControlSet\Services\LanmanServe r\Parameters\Size

Restart!

The problem persist!!!

NIC is Atheros and in Event viewer we can see the following error:

The description for Event ID 194 from source AtcL001 cannot be found. Either the component that raises this event is not installed on your local computer or the installation is corrupted. You can install or repair the component on the local computer.

If the event originated on another computer, the display information had to be saved with the event.

The following information was included with the event:

\Device\NDMP5

\DEVICE\{21DB9B20-DF8C-45C7-9173-7D55D056FC5C}

The specified resource type cannot be found in the image file

So i found next solution:

"As it turns out, the drivers for the Atheros L1 Gigabit Ethernet controller, when using Windows 7, are unable to support task offloading. As a result, the fix is to go Device manager>network adapter>properties>advanced>task offload:value=off

I'm really happy to have resolved this so I can stop running into my roommate's office to do file upload. No idea why it's only with attachments, but there you have it. I read about one guy who found that going back to beta win 7 drivers for his network card also worked, but I'm imagining that that's because the Beta drivers probably didn't have offloading on them or something."