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

Fix Microsoft Teams Black Screen on Login: Step-by-Step

When you launch Microsoft Teams and see only a black screen after signing in, the app is likely s...

Windows Update Stuck at 0%: Practical Fixes

You click 'Check for updates' and see 'Downloading – 0%' for ten minutes or more. This is a commo...

Fix Windows Defender Update Error 0x80070643

If you see error 0x80070643 when updating Windows Defender, it usually means the update failed du...

Fix Outlook Email Sync Failed on Ubuntu

Outlook email sync fails on Ubuntu: what to check

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

Fix Windows Defender Update Error 0x80240022

When updating Windows Defender, you might see error 0x80240022. This usually means Windows Update...

How to Enable Chrome Auto-Start for a Specific Profile

You want Chrome to open automatically when you log in, but with a specific profile (e.g., your wo...