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

Fix 'Putty Connection Refused' Error on Localhost

When you try to connect to localhost with Putty and get 'connection refused', it usually means th...

Set Up Static DNS in Windows 11 Using Command Prompt

If you need to switch from automatic DNS to a static DNS server (like Google's 8.8.8.8 or Cloudfl...

Stop systemd Service from Restarting in a Loop

If you have a systemd service that keeps restarting repeatedly — sometimes every few seconds — it...

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" ...

Fix Windows Terminal Single Sign-On Not Working

You open Windows Terminal expecting to be signed into Azure AD or Microsoft 365 automatically, bu...

How to Stop Command Prompt from Freezing on Startup

If Command Prompt (cmd.exe) freezes or hangs shortly after opening, it's usually due to a startup...