Windows Could Not Start the Windows Firewall: Easy Guide

Troubleshooting "Windows Could Not Start the Windows Firewall" Errors

Encountering the error "Windows could not start the Windows Firewall on Local Computer"? This guide provides solutions for common error codes (13, 1079, 6801, etc.).

This issue, affecting many Windows users, can be resolved through several methods.

Method 1: Utilize the Windows Firewall Troubleshooter

While not a default Windows feature, a dedicated troubleshooter can automatically identify and fix problems. Download the troubleshooter from Microsoft, double-click to run it, and follow the on-screen instructions. If unsuccessful, proceed to the next method.

Method 2: Verify Windows Defender Firewall Permissions

Insufficient permissions can prevent the firewall from starting. Check and adjust account permissions:

1. Open the Run window (Win R).
2. Type services.msc and press Enter.
3. Right-click "Windows Defender Firewall" and select "Properties."
4. Navigate to the "Log On" tab.
5. Click "Browse," then "Advanced," and "Find Now."
6. Select "LOCAL SERVICE" from the list.
7. Click "OK." Set the password (if prompted), and click "Apply."
8. On the "General" tab, click "Start" to initiate the service.

Method 3: Modify Registry Editor Entries

Incorrect registry entries can disrupt firewall functionality. Consider modifying or deleting specific keys:

1. Open the Run window (Win R).
2. Type regedit and press Enter.
3. Navigate to Computer\HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\FirewallRules.
4. Right-click "FirewallRules" and select "Delete."

5. Repeat for the "RestrictedServices" key under "FirewallPolicy."

Restart your computer to apply changes.

Method 4: Reset Windows Firewall Settings

Incorrect settings may be the root cause. Resetting to default configurations can resolve this:

1. Open the Control Panel (search for it using Win S).
2. Go to "System and Security" > "Windows Defender Firewall."
3. Click "Restore defaults" (on the left sidebar). Confirm the action.

These methods should address most "Windows could not start Windows Firewall" errors. If the problem persists, further investigation may be necessary.

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