Software comparisons, alternatives, and tool decision notes.

Fix Putty Connection Refused on Port 22

You try to connect to a remote server with Putty on port 22, but you get 'Connection refused'. Th...

Fix Windows Update Login Loop After Configuration Settings

You restart your computer after a Windows update, and instead of reaching the desktop, you see th...

Fix PuTTY Network Error: Connection Refused on Ubuntu

When you try to connect to an Ubuntu machine using PuTTY and see "Network error: Connection refus...

Fix CMD Service Unavailable Due to Group Policy

Situation

You open Command Prompt and see an error like "Command Prompt has been disabled...

How to Fix 'Remote Desktop Module Missing mstscax.dll' Error

When you try to connect to a remote computer using Remote Desktop Connection (MSTSC), you might s...

How to Fix Windows Activation Token Expired Error

If you see a message that your Windows activation token has expired, it usually means the system'...