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Why do I get a warning that this may be dangerous when I try to install?

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When I tried to install Firefox, my computer gave me a warning that installing this might be dangerous to my computer. I thought Firefox was safe. I presently have Google and they are going to stop supporting me as I have Vista operating system. I had heard and read about Firefox so I was not expecting a WARNING. I always try not to install anything that looks suspicious. Why the warning?

When I tried to install Firefox, my computer gave me a warning that installing this might be dangerous to my computer. I thought Firefox was safe. I presently have Google and they are going to stop supporting me as I have Vista operating system. I had heard and read about Firefox so I was not expecting a WARNING. I always try not to install anything that looks suspicious. Why the warning?

Solução escolhida

hi, please only download firefox from its official location at www.mozilla.org/firefox - third-party sites often bundle downloads with various crapware additions...

How to install Firefox on Windows

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Solução escolhida

hi, please only download firefox from its official location at www.mozilla.org/firefox - third-party sites often bundle downloads with various crapware additions...

How to install Firefox on Windows