
How to Check Your Outlook Version for Mismatch Issues
If you're getting errors about a version mismatch when opening shared mailboxes, calendars, or ad...
Software troubleshooting desk

If you're getting errors about a version mismatch when opening shared mailboxes, calendars, or ad...

If you see a '404 Not Found' error when opening Windows Security (formerly Windows Defender), the...

If Windows Defender (Microsoft Defender Antivirus) is acting up—won't open, shows error messages,...

If you've enabled logging in Windows Terminal and the log file stays empty—or never appears—you'r...

If Chrome is crashing, syncing incorrectly, or behaving oddly, the profile log file can give clue...

When you click the Start menu or search bar and see 'connection refused', Windows Search is faili...