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How can I silently install Firefox without the "You've reinstalled Firefox" message?

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Before getting the uninstall command from the registry I installed firefox 62.0.2.6837. Then I created a silent uninstall script which works great.

Now I'm trying to create a silent install script. The /S parameter does not kick off the setup, but the -ms does. However, it does not install silently because the setup keeps telling me that I'm reinstalling Firefox and it asks if it needs to clean up old data for a fresh/clean experience.

How do I supress this message for a completely silent (re)install?

Thank you for any help in advance.

Before getting the uninstall command from the registry I installed firefox 62.0.2.6837. Then I created a silent uninstall script which works great. Now I'm trying to create a silent install script. The /S parameter does not kick off the setup, but the -ms does. However, it does not install silently because the setup keeps telling me that I'm reinstalling Firefox and it asks if it needs to clean up old data for a fresh/clean experience. How do I supress this message for a completely silent (re)install? Thank you for any help in advance.

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Here is the pop-up that shows up, it is in Dutch.