I'm trying to repair an STL file in 3D Builder, but I receive the message "Service not available. Please check your internet connection."

Jack Whitney 5 Reputation points
2024-10-04T01:57:38.9166667+00:00

My internet connection is excellent, so the issue can't be on my end.

Windows for business | Windows Client for IT Pros | User experience | Other
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  1. S.Sengupta 24,871 Reputation points MVP
    2024-10-04T02:08:32.3366667+00:00

    Update and Reset 3D Builder.

    Ensure that 3D Builder is allowed through your firewall.

    If the issue persists, then try using online STL repair services.

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  2. Hu, T 0 Reputation points
    2025-04-23T18:30:30.76+00:00

    I had the same problem, but I found this website https://windows.apkpure.com/3d-builder/versions that allows you to download different versions. Once you install one of the newer versions, it will update your 3D builder app, and you'll be able to repair.

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