
How to Fix Windows Defender Firewall Blocked App
You try to open an app, but it either won't start or can't connect to the internet. A common caus...
Software troubleshooting desk

You try to open an app, but it either won't start or can't connect to the internet. A common caus...

You open Windows Defender Security Center or try to run a scan, and you see an error: Pat...

When you try to open the Microsoft Store and see error code 0x80073cf0, the app either fails to s...

You try to install or update an app from the Microsoft Store, but you get error 0x80073cf9. The a...

When you start a service or application and get an error like "Address already in use" or "Port i...

You open Chrome and see a warning like “NET::ERR_CERT_COMMON_NAME_INVALID” or “Your connection is...