How to Reset Microsoft Store Cache and Fix Port Conflicts - Fixing Outlook High Memory Use from a Large Mailbox-Resolve ERR_CONNECTION_RESET in Chrome

Updated 2026-06-15 18:41:53developer-tools

How to Reset Microsoft Store Cache and Fix Port Conflicts - Fixing Outlook High Memory Use from a Large Mailbox-Resolve ERR_CONNECTION_RESET in Chrome

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.