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...

Command Prompt Dependency Conflict Troubleshooting Checklist

Fix Windows 10 Sign-In Loop When Searching

You search for something using the Start menu or taskbar, and instead of results, you get a promp...

How to Fix Remote Desktop Port 3383 Already in Use

When you try to start a Remote Desktop session and get an error that port 3389 is already in use,...

How to Reset Windows Security Settings to Default

If Windows Security is blocking a trusted app, showing persistent warnings, or behaving oddly aft...

How to Fix Microsoft Teams Slow Performance on Windows 10

If Microsoft Teams feels sluggish on your Windows 10 PC — messages lag, calls stutter, or the app...