Fix Windows Defender Connection Refused via Group Policy - BitLocker 0x8031004a Error – Best Settings and Fix-How to Fix Windows Update Sync Across Devices
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.