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

Chrome Extension Not Working After Restart: Fixes

You restart Chrome, and suddenly one or more extensions are grayed out, missing, or not functioni...

How to Fix CMD High Memory Usage

If you notice that Command Prompt (cmd.exe) is using an unusually high amount of memory (e.g., hu...

How to Fix Git Push Rejected Non Fast Forward Merge

You run git push and see an error: rejected – non-fast-forward. This happen...

Windows Security App Missing After Update: How to Fix

After a Windows update, you might find the Windows Security app missing from the Start menu or sy...

Fix Windows Defender Blank Screen via Registry Edit

If you open Windows Defender Security Center and see only a blank white or gray screen, the inter...

Fix 'ffmpeg command not found' in PHP exec()