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

Fix Chrome ERR_TUNNEL_CONNECTION_FAILED When Using VPN

Fix Microsoft Store Authentication Fails Due to Proxy

If you see authentication errors in Microsoft Store and suspect a proxy, you're likely hitting a ...

Fix 'UFW Status Shows Port Not Active' Error

You run sudo ufw status and see a rule for a port, but the port isn't actually activ...

How to Bypass Go Modules Proxy for Local Packages

When working with Go modules, the default proxy (proxy.golang.org) speeds up builds but can inter...

How to Fix Outlook Dependency Conflict During Setup

When setting up a new Outlook profile or installing an add-in, you may see a message like "A depe...

Windows 11 Activation Error: Product Key Blocked – Fixes

You see “Product key blocked” during Windows 11 activation. This usually means the key is tied to...