Software comparisons, alternatives, and tool decision notes.

Fix Windows Search After Disabling Cortana

If you've disabled Cortana and find that Windows Search no longer returns results or runs slowly,...

How to Fix Windows Security Not Responding

Windows Security (formerly Windows Defender Security Center) may stop responding, hang on launch,...

Fix Remote Desktop Certificate Error Authentication Failure

You attempt to connect to a remote PC via Remote Desktop (RDP) and see an error like “Authenticat...

Fix CMD Service Unavailable Due to Group Policy

Situation

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

Fix Windows Defender Dependency Conflict in Windows 10

You may see an error like "Windows Defender can't start because a dependency service is not runni...

Fix Chrome Token Expired Error on Startup

You open Chrome and see a message like "Token expired" or "Authentication token expired" before t...