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

How to Fix Microsoft Teams Audio Not Working on Ubuntu

If you're using Microsoft Teams on Ubuntu and the audio isn't working—no sound during calls, micr...

Fix Outlook Email Sync Failed on Ubuntu

Outlook email sync fails on Ubuntu: what to check

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

Fix Microsoft Teams File Locked Not Opening

When you try to open a file in Microsoft Teams and get a “file locked” or “this file is locked fo...

Advanced Command Prompt Configuration for Power Users

If you rely on Command Prompt daily, the default black-and-white window with limited functionalit...

Chrome Browser Token Expired Not Refreshing: Practical Fixes

You're working in a web app and suddenly get a 'token expired' or 'session expired' message. Norm...

How to Fix 'Repair Windows Defender Command Not Found' Error

If you run repair-windows-defender in Command Prompt or PowerShell and get a 'comman...