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Home / developer-tools / Fix Windows Defender Error 0x800704ec: Real-Time Protection - How to Fix Git Authentication Failed in VSCode on Windows-npm run build Failed: Troubleshooting Checklist

Fix Windows Defender Error 0x800704ec: Real-Time Protection - How to Fix Git Authentication Failed in VSCode on Windows-npm run build Failed: Troubleshooting Checklist

Updated 2026-07-28 17:10:37developer-tools
Fix Windows Defender Error 0x800704ec: Real-Time Protection - How to Fix Git Authentication Failed in VSCode on Windows-npm run build Failed: Troubleshooting Checklist
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.

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