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...

Fix OneDrive Sync Permission Denied on Windows 10

If you see a 'permission denied' error while syncing OneDrive on Windows 10, it usually means One...

Windows Search 504 Gateway Timeout: Troubleshooting Checklist

When Windows Search returns a 504 gateway timeout, it usually means the search service or its bac...

Fix Outlook Email Sync Failed on Ubuntu

Outlook email sync fails on Ubuntu: what to check

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

Fix Chrome Profile Sync After Offline Installer Setup

You installed Chrome using the offline installer (the full setup file), but now your profile won'...

Fix Windows 10 Product Key Not Working After Hardware Change

You replaced a major component—often the motherboard—and now Windows 10 says your product key isn...