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

How to Fix Abnormal Memory Usage in CMD on Windows

How to Fix 'File Locked by System' in Windows Defender

If you see an error like "File locked by system" when running a Windows Defender scan or trying t...

Postman Request Timeout Checklist: Diagnose and Fix

You're testing an API in Postman, and the request hangs for a while before returning a timeout er...

How to Reset VSCode Terminal Settings to Default

If your VSCode terminal is behaving oddly—wrong shell path, missing colors, or commands failing—r...

Fix Windows Terminal Config Backup Not Restoring Permissions

You backed up your Windows Terminal settings, but when you try to restore them on a new system or...

Fix Windows Activation 502 Bad Gateway Due to Proxy Settings

If you see a "502 Bad Gateway" error when trying to activate Windows, the problem is often a misc...