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Auto. updates fail to install. but Firefox tells me I have the latest version.

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Firefox attempts automatic updates which always fail. Then it downloads a complete version which also does not install. When directed to Firefox I'm told I amusing the latest version. Why do the updates fail, and why is it trying to update when I have the latest version???

Firefox attempts automatic updates which always fail. Then it downloads a complete version which also does not install. When directed to Firefox I'm told I amusing the latest version. Why do the updates fail, and why is it trying to update when I have the latest version???

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There was a .1 update, to 25.0.1. You can check whether you have that update using

Help > About Firefox

I don't think websites can detect your version number to that level, so the Mozilla website might only be able to determine that you have 25.0.