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

GitHub Actions Workflow Stuck Pending: How to Fix

You push a commit expecting a workflow to run, but it sits in a pending state for minutes or hour...

Fix Windows Activation Update Error 0x80070003

You try to activate Windows or install an update, and get error 0x80070003. It often means Window...

Fix Windows Search SSL Certificate Error

When Windows Search throws an SSL certificate error, it usually means the search service can't va...

Setup Environment Variables to Fix Command Not Found

You type a command you know is installed, but the shell replies: command not found. ...

Windows Security Permission Denied Checklist

When Windows reports 'permission denied', it usually means your user account lacks the necessary ...

Windows Security for Ubuntu Installation Checklist

Before You Install Ubuntu

If you're dual-booting Windows and Ubuntu, or replacing Windows...