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

Task Scheduler Configuration Checklist for Sysadmins

Task Scheduler is a reliable tool, but misconfigurations cause silent failures. Use this checklis...

Fix Windows Activation Error 0xC004F074 on a Domain

If your domain-joined Windows machine shows activation error 0xC004F074, it usually means the sys...

How to Fix GitHub Actions Permission Denied (publickey) Error

You're running a GitHub Actions workflow and see Permission denied (publickey) when ...

Windows Security for Ubuntu Installation Checklist

Before You Install Ubuntu

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

Fix Windows Update Error 0x80070643: Practical Steps

You run Windows Update and get error 0x80070643. The update fails, often with a generic message. ...

Fix OneDrive Not Syncing Automatically

If OneDrive files aren't syncing automatically, you're not alone. The issue often appears after a...