Fixing Windows Defender High CPU Usage
## Direct Answer
To fix Windows Defender high CPU usage, update Windows Defender, disable and re-enable it, or adjust its settings to exclude certain files or folders.
## Step-by-Step Guide
1. **Update Windows Defender**: Ensure Windows Defender is up-to-date, as outdated versions can cause high CPU usage. Go to **Settings** > **Update & Security** > **Windows Security** > **Virus & threat protection** > **Check for updates**.
2. **Disable and Re-enable Windows Defender**: Sometimes, simply disabling and re-enabling Windows Defender can resolve the issue. Go to **Settings** > **Update & Security** > **Windows Security** > **Virus & threat protection** > **Manage settings** > toggle off **Real-time protection** and then toggle it back on.
3. **Exclude Files or Folders**: If Windows Defender is scanning certain files or folders that are causing high CPU usage, exclude them. Go to **Settings** > **Update & Security** > **Windows Security** > **Virus & threat protection** > **Manage settings** > **Exclusions** > **Add or remove exclusions**.
4. **Adjust Scan Settings**: Adjust the scan settings to reduce CPU usage. Go to **Settings** > **Update & Security** > **Windows Security** > **Virus & threat protection** > **Scan options** > **Advanced scan** > select **Quick scan** or **Full scan** with reduced frequency.
## FAQ
– **Q: Why is Windows Defender using high CPU?**
A: Windows Defender high CPU usage can be caused by outdated software, malware scans, or conflicts with other security software.
– **Q: Can I disable Windows Defender?**
A: Yes, but it’s not recommended, as Windows Defender provides essential security features. Instead, try resolving the high CPU usage issue by following the steps above.
– **Q: Will updating Windows Defender fix high CPU usage?**
A: Yes, updating Windows Defender can resolve high CPU usage issues caused by outdated software.
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