Software comparisons, alternatives, and tool decision notes.

Fix 'Service Unavailable' for PowerShell on Windows 10

You open PowerShell on Windows 10 and see an error like "Service Unavailable" or "PowerShell is n...

Fix Windows Activation Error 0x800704cf: Cannot Connect to Server

You see error 0x800704cf when trying to activate Windows, with the message "Cannot connect to the...

Fix 'Putty Connection Refused' Error on Localhost

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

Fix Outlook Blank Screen After Office Installation

Symptom and likely cause

After installing or updating Microsoft Office, Outlook may open ...

Fix Remote Desktop Authentication Failed Due to RDP File Configuration

When you double-click an RDP file and see "Authentication failed" or "Your credentials did not wo...

Fix Windows Activation Cannot Connect to Organization Server

You see the error 'Windows can't activate. Can't connect to your organization's activation server...