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

Fix OBS Black Screen and Permission Denied on Windows 11

You launch OBS Studio on Windows 11, add a display capture or game capture source, and see only a...

How to Backup and Restore Windows Activation: Step-by-Step

If you've ever replaced a motherboard or reinstalled Windows and been prompted to reactivate, you...

Task Scheduler Backup Configuration Tips

If your scheduled backups aren't running, run inconsistently, or fail silently, the issue is ofte...

UFW Deny Port But Still Accessible: Fixes and Checks

You set a UFW deny rule for a specific port, but the port remains accessible from outside. This i...

Fix Outlook Email Sync Failed on Ubuntu

Outlook email sync fails on Ubuntu: what to check

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

Microsoft Store Configuration Reset: Fix Common Issues

If the Microsoft Store won't open, apps fail to download or update, or you see error codes like 0...