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I'm working with Nightly but can't get to anything because it keeps asking me what I want to open my local/appdata/temp files with and I haven't a clue

I don't think I'm in the right place but I can't get to the right place through Nightly. I'm working with it and trying to do some feedback but most everything I do asks me how I want to open my local/appdata/temp files and I don't have a clue what to choose. Hope someone can help me. I'm having to get to Mozilla support through Chrome right now because I can't do anything with Mozilla.

Thanks so much! Dianne

I don't think I'm in the right place but I can't get to the right place through Nightly. I'm working with it and trying to do some feedback but most everything I do asks me how I want to open my local/appdata/temp files and I don't have a clue what to choose. Hope someone can help me. I'm having to get to Mozilla support through Chrome right now because I can't do anything with Mozilla. Thanks so much! Dianne

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Sorry to here about the issue that you are having Dianne.

The Nightly version of Firefox is for test purposes and we generally recommend that basic users change to the release version of Firefox. The Nightly versions do have some issues with them because they are still in development.

Please download a fresh copy of Firefox from here.