Configure Windows Update to Trust a Custom SSL Certificate
If you manage Windows updates in an enterprise environment, you may need to use a custom SSL cert...
Software comparisons, alternatives, and tool decision notes.
Fit
Decision
Migration
Latest comparisons
Browse labFix Windows Security Invalid Configuration Permission Denied
You open Windows Security and see 'Invalid configuration. Permission denied.' This usually means ...
Fix Windows Security Not Launching at Startup
You restart your PC and notice Windows Security (formerly Windows Defender) isn't running. The ic...
How to Fix Outlook Version Mismatch After Update
After a recent Office or Windows update, you might see an error that your Outlook profile is from...
How to Fix 'Outlook Data File Cannot Be Opened' Error
You try to open Outlook and get the message: "The Outlook data file cannot be opened." This usual...
How to Clear Microsoft Teams Cached Credentials for Authentication
If Microsoft Teams repeatedly asks for your password, shows authentication errors, or fails to si...