Fixing Windows Defender Crashes on Windows 11
To fix Windows Defender crashes on Windows 11, you need to update Windows Defender, check for malware, and ensure your system is up-to-date.
## Step-by-Step Guide
1. **Update Windows Defender**: Open Windows Defender from the Start menu, click on the “Virus & threat protection” option, and then click on “Check for updates” to ensure you have the latest definitions.
2. **Run a Full Scan**: Open Windows Defender, click on “Virus & threat protection”, and then click on “Scan options”. Select “Full scan” and click on “Scan now” to check your system for malware.
3. **Update Windows 11**: Go to Settings, click on “Update & Security”, and then click on “Windows Update” to ensure your system is up-to-date.
4. **Disable and Re-enable Windows Defender**: Open Windows Settings, click on “Update & Security”, then click on “Windows Security”, and click on “Virus & threat protection”. Click on “Manage settings” and toggle off “Real-time protection” and then toggle it back on.
5. **Reset Windows Defender**: If the above steps don’t work, you can try resetting Windows Defender to its default settings. Open the Command Prompt as an administrator and type `sfc /scannow` and then `net stop windefend` followed by `net start windefend`.
## Frequently Asked Questions
* **Q: Why does Windows Defender keep crashing?**
A: Windows Defender can crash due to outdated definitions, malware on your system, or compatibility issues with other software.
* **Q: Will disabling Windows Defender leave my system vulnerable?**
A: Temporarily disabling Windows Defender may leave your system vulnerable to threats. Make sure to re-enable it as soon as possible.
* **Q: Can I use a third-party antivirus instead of Windows Defender?**
A: Yes, you can use a third-party antivirus program, but make sure to uninstall Windows Defender or disable it to avoid conflicts.
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