Fix Windows Defender 404 Not Found After Update
After installing a recent Windows update, some users find that Windows Defender is missing or sho...
Software comparisons, alternatives, and tool decision notes.
Fit
Decision
Migration
Latest comparisons
Browse labFix Outlook 404 Not Found Error in Microsoft 365
You open Outlook in Microsoft 365 and see a '404 Not Found' page. This usually means Outlook can'...
Fix Chrome Profile Access Denied Without Losing Data
You open Chrome and get an 'Access Denied' or 'Profile Error' message. Your bookmarks, passwords,...
Fix Windows Security Invalid Configuration Error Code
You open Windows Security and see an error message about an invalid configuration, often accompan...
Fix Outlook Calendar Sync Issues on iPhone
If your Outlook calendar events aren't showing up on your iPhone, or changes you make on one devi...
Fix Windows Search Indexing Permission Denied Errors
If you see a 'permission denied' message in Windows Search indexing, the search indexer can't rea...