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

Cloudflare SSL Flexible Redirect Loop: Step-by-Step Checklist

You've set up Cloudflare with SSL/TLS set to Flexible, and now your site redirects in an endless ...

How to Fix '404 Not Found' File Path Errors in CMD

Command Prompt Troubleshooting Checklist for Windows

When Command Prompt stops working as expected—won't open, returns odd errors, or commands don't r...

Fix BitLocker Authentication Failed with TPM Not Working

If BitLocker prompts for a recovery key or shows "Authentication failed" and TPM is not working, ...

How to Refresh Windows Security Token

When Windows authentication fails—you can't access a network share, get access denied errors, or ...

Fix WinSCP Permission Denied Publickey Authentication

When connecting to a remote server with WinSCP using SSH public key authentication, you may see t...