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

Fix Chrome ERR_TUNNEL_CONNECTION_FAILED on Windows 10

If you see ERR_TUNNEL_CONNECTION_FAILED in Chrome while browsing on Windows 10, ...

Fix Windows Activation Auto-Start Service Stuck

You go to activate Windows, but the activation window just hangs or shows "Checking..." indefinit...

Chrome Profile Log File Empty: Causes and Fixes

If you've opened Chrome's profile log file only to find it empty, you're not alone. This often ha...

Fix Command Prompt Not Recognizing Commands

How to Fix PowerShell Authentication Failed Error

When you see an "Authentication failed" error in PowerShell, it usually means the system couldn't...

Fix Missing Windows Security After Update

After a Windows update, you might find that Windows Security (formerly Windows Defender) is missi...