Fixing Windows Defender Not Working
Direct Answer
To fix Windows Defender not working, restart the Windows Defender service, check for updates, and ensure it’s enabled. If issues persist, try resetting or reinstalling Windows Defender.
Step-by-Step Guide
1. **Restart Windows Defender Service**:
– Press Windows key + R to open the Run dialog.
– Type ‘services.msc’ and press Enter.
– Find ‘Microsoft Defender Antivirus Service’ and ‘Microsoft Defender Firewall’ in the list.
– Right-click each and select ‘Restart’.
2. **Check for Updates**:
– Open Windows Defender from the Start menu.
– Click on the ‘Virus & threat protection’ option.
– Click ‘Check for updates’ under ‘Virus & threat protection updates’.
– Wait for the update process to complete.
3. **Enable Windows Defender**:
– Open Windows Defender from the Start menu.
– Click on ‘Virus & threat protection’.
– Toggle the switch under ‘Real-time protection’ to ‘On’.
4. **Reset Windows Defender**:
– Open Command Prompt as Administrator.
– Type the following commands and press Enter after each:
– `%ProgramFiles%\Windows Defender\MpCmdRun.exe -RemoveDefinitions`
– `%ProgramFiles%\Windows Defender\MpCmdRun.exe -ResetConfiguration`
5. **Reinstall Windows Defender**:
– Press Windows key + I to open Settings.
– Go to ‘Update & Security’, then ‘Windows Security’.
– Click ‘Virus & threat protection’ and then ‘Manage settings’ under ‘Virus & threat protection options’.
– Toggle all options off, then restart your computer.
– After the restart, toggle them back on.
Frequently Asked Questions
1. **Q: Why is Windows Defender not working?**
A: Common reasons include outdated software, conflicts with other security programs, or the service being disabled.
2. **Q: Can I use Windows Defender with other antivirus software?**
A: It’s not recommended to use Windows Defender with other antivirus software as it may cause conflicts and reduce the effectiveness of both programs.
3. **Q: How often should I update Windows Defender?**
A: Windows Defender should be updated automatically. However, you can manually check for updates as described in the step-by-step guide.
By following these steps, you should be able to fix Windows Defender not working and keep your system protected from malware and other threats.
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