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

How to Fix Windows Activation Not Working on Ubuntu

If you're running Windows on a machine that also has Ubuntu, you may see an activation error. Thi...

Fix Outlook Blank Screen After Office Installation

Symptom and likely cause

After installing or updating Microsoft Office, Outlook may open ...

Fix Microsoft Teams Mic Not Working with External Microphone

You plug in an external microphone, but Microsoft Teams still won't pick up your voice. This is a...

Fix Task Scheduler Authentication Failed After Password Change

If you changed your Windows password and now see 'authentication failed' errors in Task Scheduler...

Fix 'Command Prompt Auto Start Registry Permission Denied' Error

You're trying to configure Command Prompt to launch automatically at startup by editing the Windo...

How to Repair Outlook PST File When It Fails to Start

If Outlook fails to start and you see errors like 'Cannot start Microsoft Outlook' or 'The file p...