Confusion is, when I ping others it goes well, and other computers can see me in their network folders, while we all have access to the Internet. I've started all the services required, and I've modified the group policy to be right, but still the problem exists. It seems rather a problem of network enumeration function than a problem of connection. I ran into a lack of solution. Help me please!!

Hi, This issue may occur when NIC adapter corrupt system files. Please try the following: Start, Run: regsvr32 netshell.dll regsvr32 netcfgx.dll regsvr32 netman.dll If any error message is received when registrying dll file, that dll file might be corrupt or missing. Run sfc /scannow or manually copy the file with same version to replace it. If the issue persists, please boot into Safe Mode, uninstall the adapter,restart and it will reinstall the adapter or you can manually reinstall it. Regards,Please remember to click Mark as Answer on the post that helps you, and to click Unmark as Answer if a marked post does not actually answer your question. This can be beneficial to other community members reading the thread.

Thanks for your solution, but I'm sorry to say i did all the steps that you adviced, the dll files works well, and I reinstalled the driver, still it doesn't work. It seems I still need your help! Thanks again! Sincerely,