hi this is what i found on your error code
0x0000004F: NDIS_INTERNAL_ERROR
(Click to consult the online MSDN article.)
This is a very rare error, indicating indicates an internal error in the Network Driver Interface Specification (NDIS) wrapper or an NDIS driver. Start by confirming that you have the best current driver for your network card. If that doesn’t resolve the issue, use the General Troubleshooting of STOP Messages checklist above.
i would also suggest you visit our security forum for help ensuring your virus is out of your system
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