Electron-builder Part Download Request Failed With Status Code 401 [better] 🎯 Easy

%LOCALAPPDATA%\electron-builder\cache Delete these folders and try the build again. Update Electron-Builder

Fixing the "Electron-Builder Part Download Request Failed with Status Code 401" Error

If the error only happens in GitHub Actions, GitLab CI, or Jenkins, the environment setup is the culprit. Older versions of electron-builder may have bugs related

Check that the token has repo scope permissions if the project is private.

Older versions of electron-builder may have bugs related to how they handle headers or redirects. Ensure you are on the latest version: npm install electron-builder@latest --save-dev This is common when using custom mirrors, private

Accessing a private GitHub Release for auto-updates or publishing. Solutions for GitHub Repositories

The 401 Unauthorized error during an Electron build usually happens when electron-builder tries to download pre-built binaries or assets from a private repository or a restricted server without the correct credentials. This is common when using custom mirrors, private GitHub repositories, or corporate proxies. Identifying the Cause Verify your Environment Variable

If you are seeing this error while electron-builder is attempting to access a GitHub repository, the issue is almost certainly related to your GitHub Token. 1. Verify your Environment Variable