Checklists for software errors, setup, and tool workflows.

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Fix Windows Activation Backup Restore Failure After Update

After a Windows update, you might see an error when trying to restore an activation backup. The b...

Fix Outlook Connection Refused Due to Firewall Settings

If Outlook suddenly shows a "connection refused" error when trying to send or receive email, the ...

Fix Windows Search Settings Not Saving Changes

You change a Windows search setting—like indexing options or search mode—but it reverts after clo...

Outlook 404 Not Found Web App: Fixes and Checks

If you're seeing a 404 Not Found error when trying to open Outlook on the web (formerly Outlook W...

Fix Chrome SSL Certificate Error: Invalid Common Name

You're browsing a site in Chrome and see a warning: Your connection is not private

Fix 'outlook command not found' Error on Windows 10
When you type 'outlook' in Command Prompt or run it from a script and see 'outlook command not fo...