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

How to Fix OBS Black Screen on Mac

If you see a black screen in OBS when trying to capture your display or a specific window on Mac,...

Fix Microsoft Store Authentication Token Expired Error

When you open Microsoft Store and see an error like 'Authentication token expired' or 'Your authe...

Command Prompt Not Showing Output: Quick Fixes

You run a command in Command Prompt, but nothing appears — no error, no result, just a blinking c...

Fix Windows Update 502 Bad Gateway Related to Proxy Settings

If you see a "502 Bad Gateway" error when running Windows Update, it often points to a problem wi...

Fix OneDrive Sync Error 0x8004deb4 After Update

If you see error 0x8004deb4 in OneDrive after a recent update, it usually means the app can't aut...

Fix BitLocker Connection Timeout and Permission Denied Errors