Windows Defender Antivirus Network Inspection Service started and then stopped

Windows Defender Antivirus Network Inspection Service started and then stopped

Even if no third-party anti-malware programs are running on your computer, Windows Defender may sometimes behave incorrectly and display an error, resulting in the following message:

The Windows Defender Antivirus network inspection service on the local computer started and then stopped. Some services stop automatically if they are not used by other services or programs.

The Windows Defender Antivirus network inspection service helps protect against intrusion attempts targeting known and newly discovered vulnerabilities in network protocols.

The Windows Defender Antivirus network inspection service started and then stopped

Although Windows Defender offers robust and reliable security protections, this does not mean that there are no problems. When starting the Windows Defender Antivirus network inspection service, users sometimes simply can not start the service. The Windows security application can not be activated. To solve this problem, you can:

  1. Edit a registry entry
  2. Use the command prompt to start the service.

Please note that improper use of Registry Editor can cause serious system-wide issues, which may require you to reinstall Windows to fix them. Be extremely careful when using this method.

1) Edit an entry in the registry editor

Press Win + R to open the "Run" dialog box, type "Regedit" in the empty field provided and click the "OK" button.

Now, in the left pane of the Registry Editor window, go to the following path address:

HKEY_LOCAL_MACHINESYSTEMCurrentControlSetServicesWdNisSvc

Switch to the right pane of WdNisSvc folder, and look for thebeginning'Entrance.

Once found, double-click on the entry to edit its valuable data.

Set the value data on 3 and click OK. Close the Registry Editor and restart your computer.

After rebooting, see if the problem persists.

2) Use the command prompt

In the Windows 10 search, type "Command Prompt", right-click it, and select the "Run As Administrator" option.

Now in the command prompt window that opens, type the following and press the Enter key.

sc start WdNisSvc

If this command succeeds, the service must be started and you are done.

I hope it helps!

Related readings:

  1. Windows Defender The threat service has stopped
  2. The Windows Defender program service has stopped, error code 0x800106ba
  3. Error 0x80070422 The service could not be started in Windows Defender.

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