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

Outlook Token Expired When Sending Email: Fixes & Checks

You're composing an email in Outlook, hit Send, and get an error about an expired token. This usu...

Microsoft Teams Backup Configuration Checklist

Teams backup isn't a single button. You need to configure multiple pieces—retention policies, eDi...

Windows Search Missing from Taskbar: How to Restore It

If the Windows Search bar or magnifying glass icon has vanished from your taskbar, you're not alo...

Fixing Windows Security Proxy Configuration Issues

When Windows Security (formerly Windows Defender Security Center) can't update virus definitions ...

Fix Windows Defender Connection Refused or Permission Denied Errors

If you see "connection refused" or "permission denied" when trying to start or update Windows Def...

Fixing GitHub Actions Permission Denied for Git Commands