How to Fix Windows Defender Service Not Running
If you see a message that Windows Defender is not running or the security center shows it's off, ...
Software comparisons, alternatives, and tool decision notes.
Fit
Decision
Migration
Latest comparisons
Browse labChecklist for Windows Update Module Not Found Error
When you see "Windows Update module not found" or a similar error, it usually means the system ca...
How to Fix Windows Update Connection Refused by Antivirus
You click Check for updates in Windows, and instead of progress, you see an error like "Connectio...
Fix PowerShell Not Launching at System Startup
If PowerShell isn't starting automatically when you boot your PC, a scheduled task, startup short...
How to Fix Outlook 'Connection Refused' Error from Antivirus Blocking
If you see a 'Connection refused' error in Outlook, especially when sending or receiving email, y...
Fix Command Prompt SSL Certificate Error: Not Trusted
When you see SSL certificate error: not trusted in Command Prompt, it usually means ...