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

Fix Chrome ERR_TUNNEL_CONNECTION_FAILED When Using VPN

Fix 'Outlook File Locked by Windows File Sharing' Error

You try to open Outlook and get an error that the PST or OST file is locked by Windows file shari...

Avoid Windows Activation Version Mismatch on Reinstall

You reinstall Windows, enter your product key, and get an error: “This product key does not match...

How to Fix Remote Desktop Connection Not Working in Windows 11

Remote Desktop Connection (RDC) in Windows 11 can fail for several reasons. Below are the most co...

Fix PowerShell Network Error: The Network Path Was Not Found

If you're running a PowerShell command that accesses a network share or remote computer and see <...

Fix 'err tunnel connection failed' on Chrome for Android

You open Chrome on your Android phone and instead of loading a page, you see 'err tunnel connecti...