Fixing Windows Defender Error Code: A Step-by-Step Guide
Direct Answer
To fix Windows Defender error code, restart Windows Defender, update your antivirus software, and run the System File Checker tool. If the issue persists, reset Windows Defender or perform a system restore.
Step-by-Step Guide
1. **Restart Windows Defender**:
– Press the Windows key + R to open the Run dialog box.
– Type “services.msc” and press Enter.
– Find Windows Defender in the list, right-click it, and select Restart.
2. **Update Windows Defender**:
– Go to Settings > Update & Security > Windows Security.
– Click on “Virus & threat protection” and then “Check for updates”.
3. **Run the System File Checker tool**:
– Open Command Prompt as an administrator.
– Type “sfc /scannow” and press Enter.
– Wait for the scan to complete and follow any prompts.
4. **Reset Windows Defender**:
– Open Command Prompt as an administrator.
– Type “reg add “HKLM\SOFTWARE\Policies\Microsoft\Windows Defender” /v DisableAntiSpyware /t REG_DWORD /d 0 /f” and press Enter.
– Restart your computer.
5. **Perform a system restore**:
– Press the Windows key + S to open the Search bar.
– Type “Create a restore point” and click on it.
– Click “System Restore” and follow the prompts to choose a restore point.
Frequently Asked Questions
1. **What causes Windows Defender error code?**:
– Conflicting antivirus software, corrupted system files, and outdated Windows Defender can cause error codes.
2. **Can I fix Windows Defender error code without restarting my computer?**:
– Some steps may require restarting your computer, but you can try updating Windows Defender and running the System File Checker tool without restarting first.
3. **Will resetting Windows Defender affect my antivirus software?**:
– Resetting Windows Defender may affect other antivirus software, so ensure you have another antivirus program installed before resetting Windows Defender.
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