Fixing Windows Defender Won’t Update: A Step-by-Step Guide
Direct Answer
If Windows Defender won’t update, try restarting your computer, checking for Windows updates, and ensuring that Windows Defender is enabled. If issues persist, follow the step-by-step guide below.
Step-by-Step Guide
1. **Check for Windows updates**: Ensure your operating system is up-to-date, as outdated Windows versions may cause Defender update issues.
2. **Enable Windows Defender**: Go to Settings > Update & Security > Windows Security > Virus & threat protection, and toggle on the “Real-time protection” and “Cloud-delivered protection” options.
3. **Check for corrupted system files**: Run the System File Checker (SFC) tool by opening Command Prompt as an administrator and typing `sfc /scannow`.
4. **Reset Windows Defender**: Open Command Prompt as an administrator and type `net stop WinDefend` followed by `net start WinDefend`.
5. **Manually update Windows Defender**: Download the latest definition updates from the Microsoft website and follow the installation instructions.
6. **Disable and re-enable Windows Defender**: Go to Settings > Update & Security > Windows Security > Virus & threat protection, toggle off “Real-time protection” and “Cloud-delivered protection”, then toggle them back on.
Frequently Asked Questions
Q: Why won’t Windows Defender update?
A: Common causes include outdated Windows versions, corrupted system files, or disabled Windows Defender.
Q: How often does Windows Defender update?
A: Windows Defender typically updates automatically, but you can also manually update it.
Q: What if I’m still experiencing issues after following these steps?
A: If problems persist, consider reinstalling Windows Defender or seeking further assistance from Microsoft support.
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