Fix Outlook Cache Folder Permission Denied Error - Task Scheduler Event ID 104: Version Mismatch Fix-Fix Outlook Permission Denied When Sending Messages

Updated 2026-06-14 05:06:43security-tools

Fix Outlook Cache Folder Permission Denied Error - Task Scheduler Event ID 104: Version Mismatch Fix-Fix Outlook Permission Denied When Sending Messages

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.