Knowledge base for software setup, errors, and daily tool work.

Fix Chrome ERR_TUNNEL_CONNECTION_FAILED Caused by Antivirus

When Chrome shows ERR_TUNNEL_CONNECTION_FAILED, it usually means a secure tunnel...

Fix Windows Activation 502 Bad Gateway via Command Prompt

When you try to activate Windows and see a 502 Bad Gateway error, it usually means the activation...

How to Fix FileZilla Connection Timed Out Error 10060

If you see “Error: Connection timed out after 20 seconds of inactivity” with code 10060 in FileZi...

Fix Windows Update Permission Denied Error Step by Step

When you try to run Windows Update and get a 'permission denied' error, it usually means the upda...

How to Fix Git Fatal Repository Not Found Error

How to Reset Windows Defender Settings

If Windows Defender (Microsoft Defender Antivirus) is acting up—won't open, shows error messages,...