Fix Windows Activation Stuck on 'Connecting to Your Organization's Activation Server' - Stuck at 0 Percent During Remote Backup Restore-Error 5 Service Unavailable in Command Prompt Fix

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.