
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 set up a Cloudflare Tunnel (formerly Argo Tunnel) and now you're seeing connection timeouts. ...

When you try to activate Windows and see an error that the activation server is not responding, i...

You boot into Safe Mode to repair a Windows issue, but BitLocker prompts for the recovery key and...

You open Windows Security and see "Connection refused" or "Something went wrong. Try reopening Wi...

If Outlook is acting up—crashes, slow performance, or display glitches—resetting settings can hel...