Fix Windows Defender 404 Not Found Error on Windows 10
You click to open Windows Defender Security Center and see a 404 page, or the Settings app shows ...
Software comparisons, alternatives, and tool decision notes.
Fit
Decision
Migration
Latest comparisons
Browse labFix Windows Defender Login Loop After Update
After a Windows update, some users find themselves stuck in a login loop when opening Windows Def...
How to Reset Windows Defender Settings
If Windows Defender (Microsoft Defender Antivirus) is acting up—won't open, shows error messages,...
Fix Windows Search Index Paused Sync Issue
You open Search and nothing happens, or you see a message that indexing is paused. This often hap...
Fix Windows Terminal Localhost Connection Refused
You open Windows Terminal, try to connect to a local service like a web server or database, and g...
Fix Outlook Error 0x800CCC0E When Connecting to Server
Outlook error 0x800CCC0E usually appears when the client cannot connect to the incoming or outgoi...