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

Fix Microsoft Teams Service Unavailable After Update

After a Teams update, you might see a 'Service Unavailable' error when trying to sign in or use t...

BitLocker Auto-Unlock Not Working with TPM: Fixes

You've set up BitLocker with a TPM, and it used to unlock your drive automatically at startup. No...

Fix Outlook Email Sync Failed on Ubuntu

Outlook email sync fails on Ubuntu: what to check

If Outlook (via web browser, Evolution,...

Fix Windows Update Token Expired Registry Error

If you see a 'token expired' or 'Token Expired' error when checking for Windows updates, the issu...

Fix Windows Update SSL Certificate Error After Time Change

If you've recently changed the system time on your Windows computer and now see an SSL certificat...

Fix Outlook High Memory Usage & Error 0x80040600

If Outlook is using excessive memory or showing error 0x80040600, the issue often stems from a co...