Electron Part Download Request Failed With Status Code 401 [repack] May 2026

Encountering the error typically indicates an authentication failure when your development environment or CI/CD pipeline tries to fetch Electron binaries or assets from a protected repository.

If your system clock is out of sync with the server, time-sensitive authentication tokens (like JWTs) may be rejected as invalid. Step-by-Step Troubleshooting Guide 1. Verify and Update Authentication Tokens electron part download request failed with status code 401

The most common fix is ensuring your environment variables are correctly set. Verify and Update Authentication Tokens The most common

Corporate firewalls or proxies can strip authentication headers from outbound requests, causing the destination server to return a 401 status. Common Causes of the 401 Error The

This issue most frequently occurs when working with (e.g., GitHub Enterprise), using custom npm registries , or when a Personal Access Token (PAT) has expired. Common Causes of the 401 Error

The .npmrc file might contain an incorrect or missing authentication token for a private registry like GitHub Packages or Artifactory .