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

How to Fix Outlook Rate Limit Error in Office 365

Understanding the Error

You may see a message like "Too many requests" or "Server busy" ...

Cloudflare Full Strict SSL Troubleshooting Checklist

When Cloudflare's SSL/TLS encryption mode is set to Full (strict), your origin server must have a...

How to Fix MySQL Connection Refused Error

When you see "connection refused" while trying to connect to MySQL, it usually means the server i...

How to Check and Install Pending Windows Updates

You may notice your Windows PC behaving sluggishly, showing a restart reminder, or a yellow warni...

PowerShell Login Loop: Step-by-Step Troubleshooting Checklist

If you're stuck in a PowerShell login loop—where the console opens and immediately closes, or rep...

Debug SSH Public Key Authentication Failure: Step-by-Step

You're trying to SSH into a server with a public key, but you get "Permission denied (publickey)"...