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

Outlook Not Receiving Emails: Troubleshooting Checklist

If Outlook stops receiving new emails, the problem is often one of a few common causes. Work thro...

Windows Security for Ubuntu Installation Checklist

Before You Install Ubuntu

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

GitHub Actions Runner Not Connecting: Fixes That Work

You've set up a self-hosted GitHub Actions runner, but it never appears online or shows a "runner...

How to Fix Outlook Connection Refused Error

When Outlook shows a 'connection refused' error, it usually means the program can't reach the mai...

Fix Windows Search Token Expired via Credential Manager

If Windows Search stops working and you see errors like "token expired" or "credentials are inval...

Configuring Windows Defender for Ubuntu Dual-Boot Systems

If you dual-boot Windows and Ubuntu, Windows Defender may flag Linux partitions, boot files, or t...