Home > Posts > Fix: Re-enable ClickOnce deployment at Mozilla Firefox

Fix: Re-enable ClickOnce deployment at Mozilla Firefox

When you try to run a ClickOnce Windows application from Mozilla Firefox, on some machines you may see it try to save a .application (ClickOnce deployment manifest) instead of running the ClickOnce application installer/updater/launcher.

To fix that issue you can open Firefox add-ons dialog and search among available to download/install add-ons for "net framework assistant". From the results list select to install "Microsoft .NET Framework Assistant" (version 1.3.1 shown at the screenshot below).

You can try the ClickOnce installation process with ClipFlair‘s WebCapture tool.

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