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3. Check for Conflicting Software
Other security programs can interfere with Windows Defender. Temporarily disable or uninstall third-party antivirus software and see if the error persists.
4. Reset Windows Defender
Open PowerShell as administrator and run the command: Set-MpPreference -DisableRealtimeMonitoring $false. This resets Defender settings to default.
When to Seek Further Help
If errors continue despite troubleshooting, consider performing a system scan with SFC /scannow or resetting Windows. Contact Microsoft Support for advanced assistance.
Windows Defender is a built-in security feature in Windows that helps protect your computer from malware, viruses, and other threats. However, users sometimes encounter errors that can disrupt its operation. Understanding these common errors and how to fix them can help ensure your system remains secure.
Common Windows Defender Errors
1. Error 0x80073afc
This error typically indicates a problem with the Windows Defender service or conflicts with other security software. It may prevent updates or real-time protection from functioning properly.
2. Error 0x80070002
This error often appears during Windows Defender updates, suggesting that files are missing or corrupted. It can also occur due to issues with Windows Update.
How to Fix Common Errors
1. Restart Windows Defender Service
Press Win + R, type services.msc, and press Enter. Locate Windows Defender Antivirus Service. Right-click and select Restart. This can resolve temporary glitches.
2. Run Windows Update Troubleshooter
Go to Settings > Update & Security > Troubleshoot > Additional troubleshooters. Select Windows Update and click Run the troubleshooter. Follow the prompts to fix update-related errors.
3. Check for Conflicting Software
Other security programs can interfere with Windows Defender. Temporarily disable or uninstall third-party antivirus software and see if the error persists.
4. Reset Windows Defender
Open PowerShell as administrator and run the command: Set-MpPreference -DisableRealtimeMonitoring $false. This resets Defender settings to default.
When to Seek Further Help
If errors continue despite troubleshooting, consider performing a system scan with SFC /scannow or resetting Windows. Contact Microsoft Support for advanced assistance.