How to Fix Microsoft Teams 404 Not Found Permissions Error - Chrome Profile Access Denied vs Corrupted Profile: Fixes-Fix Firefox Freezing When Other Browsers Work

Updated 2026-06-14 12:32:38macos-help

Before changing system settings, save your work and note the exact error text so you can compare results after each step.

Extra verification checklist

Restart the affected app after changing permissions or configuration files.
Test the same workflow in a clean browser profile or a temporary user account.
Compare the result on another network if the error may be connection related.