Hi,
Thanks for posting in Q&A platform.
Please try the following methods to reset Windows Defender Firewall.
1: Restore or Reset Default Windows Defender Firewall Settings in Windows Security
Click Start and insert windows security to open Windows Security.
Click on Firewall & network protection.
Scroll down, find, and click on Restore firewalls to default.
2: Restore or Reset Default Windows Defender Firewall Settings in Control Panel
Open Control Panel.
Click on Windows Defender Firewall.
Click on Restore defaults.
Click on Restore defaults a second time.
Click Yes to confirm.
3: Restore or Reset Default Windows Defender Firewall Settings in Powershell or Command Prompt
Open PowerShell or the Command Prompt, and type in the following line and press Enter.
The Command Prompt should return OK, while PowerShell will return nothing, as shown in the screenshots below.
Command Prompt - netsh advfirewall reset
PowerShell - (New-Object -ComObject HNetCfg.FwPolicy2).RestoreLocalFirewallDefaults()
Here is an article for your reference:
How to Reset Windows Defender Windows 10
Please Note: Since the websites are not hosted by Microsoft, the links may change without notice. Microsoft does not guarantee the accuracy of this information.
Best Regards,
Sunny
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