Many users are facing a Windows defender bug after recently updating their software. The bug prevents running a full system scan. Some portions of your computer may not be scanned thoroughly, and there are chances for viruses or malware to enter into your computer. You may receive the message reading 'Threat service has stopped' or 'Unexpected error.'
Steps To Resolve
- Press the Windows button and type Windows security in the search section.
- Open Windows security and go to Virus and security protection tab.
- Click on the Check for updates option and verify whether any updates are available.
- If you find any updates, install the latest version.
- Now, restart your computer and open Windows Defender again.
- Run a full system scan to check whether the issue has been resolved.
- Click the Start menu and type Powershell in the search section.
- Right-click on Windows PowerShell and select the Run as administrator option from the displayed list.
- Open the Windows PowerShell application and type Set-MpPreference –DisableScanningNetworkFiles. Press the Enter key to fix Windows defender bug.
- Wait until the process is complete.
- If the issue persists, press the Windows and R buttons together to launch the Run dialog box.
- Type regedit in the search section and click on the OK button.
- Enter the HKEY_LOCAL_MACHINE\SOFTWARE\ Policies\Microsoft\ Windows Defender\Scan in the File path section and hit the Enter key.
- Now, create a 32-bit DWORD value and name it as DisableScanningNetworkFiles. Set the value to 0.
- Restart your computer and verify whether the issue is resolved.
- If you have not updated your operating system, go to the Windows Update section from the Settings window and select Check for Updates.
- If you find any update, install it by following the on-screen instructions. After that, you can't face the Windows defender bug.