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...

OneDrive Invalid Configuration Sync Issue Fix

Understanding the Problem

You open OneDrive and see an error like "Invalid configuration"...

Fix Windows Update Black Screen After Restart

After installing a Windows update and restarting, a black screen (with or without a cursor) can b...

Fix Command Prompt SSL Certificate Error: Not Trusted

When you see SSL certificate error: not trusted in Command Prompt, it usually means ...

Fix Command Prompt Not Responding When Typing

You open Command Prompt, start typing, and nothing appears. The cursor blinks but keystrokes are ...

How to Install Outlook on Windows 11: Step-by-Step Guide

You've upgraded to Windows 11 and now need to install Outlook. This guide covers the main ways to...