Tzhizhu
Home / windows-fixes / Fix Windows Defender Service Not Starting (Error 404) - How to Resolve 0x80073712 Component Store Corruption-Windows Activation Error 0xc004c003 After Hardware Upgrade

Fix Windows Defender Service Not Starting (Error 404) - How to Resolve 0x80073712 Component Store Corruption-Windows Activation Error 0xc004c003 After Hardware Upgrade

Updated 2026-06-13 14:16:38windows-fixes
Fix Windows Defender Service Not Starting (Error 404) - How to Resolve 0x80073712 Component Store Corruption-Windows Activation Error 0xc004c003 After Hardware Upgrade
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.

Related Software Guides

Windows Update Troubleshooting Checklist for IT Pros Windows Update Troubleshooting Checklist for IT Pros Fix Docker Desktop Stuck on 'Starting' with WSL2 on Windows Fix Docker Desktop Stuck on 'Starting' with WSL2 on Windows Fix MongoDB Authentication Failed: Database Mismatch Fix MongoDB Authentication Failed: Database Mismatch Fix Edge Profile Sync Paused Configuration Errors Fix Edge Profile Sync Paused Configuration Errors Fix Microsoft Store Not Opening After Update Fix Microsoft Store Not Opening After Update How to Change Docker Compose Port Mapping to Resolve Conflicts How to Change Docker Compose Port Mapping to Resolve Conflicts