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

Fix VSCode Extension Host Terminated Error on Windows 10

If you see the error message 'Extension host terminated unexpectedly' while using Visual Studio C...

Docker Compose Build No Cache Checklist: Step-by-Step

When You Need a Clean Build

If you notice your Docker Compose services are not picking u...

Fix Windows 10 Product Key Not Working After Hardware Change

You replaced a major component—often the motherboard—and now Windows 10 says your product key isn...

Fix Chrome ERR_TUNNEL_CONNECTION_FAILED When Using VPN

Activate Windows 11 Without Internet: Step-by-Step

If you’re trying to activate Windows 11 on a PC that has no internet connection—either because of...

Fix Windows Search High CPU Usage (SearchIndexer.exe)

If you notice your PC slowing down and Task Manager shows SearchIndexer.exe using 50% or more CPU...