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

Fix Windows Terminal JSON Settings 404 Not Found

You open Windows Terminal, click Settings, and instead of the JSON file you get a blank page or a...

Fix Windows Activation Invalid Configuration via Command Prompt

You might see an error like “Windows Activation: Invalid product key or configuration” after a ha...

BitLocker Recovery Key Not Accepted: Practical Fixes

You enter the 48-digit BitLocker recovery key, but Windows says it's not accepted. This can happe...

Fix GitHub Actions Cache Action Permission Denied Error

Fix OneDrive Authentication Failed Due to Expired Token

You're working in OneDrive when suddenly you see an error: "Authentication failed due to expired ...

Remote Desktop Blank Screen: Step-by-Step Troubleshooting Checklist

You connect to a remote machine, authentication succeeds, but instead of a desktop you get a blan...