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1 got a message about my firefox being out of date and i need to download the new version ,i did but i keep getting the same popup to download the new version 4.0.1, what gives?

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There is a new version 4.0.1 that keep popping up and the download was done but it keep saying i need to download the new version i have done it more than one time. Should i just ignore the message i don't want a virus. when i sign on to firefox it say i might be at risk of attackers and i need to download the new version. What is the new version?

There is a new version 4.0.1 that keep popping up and the download was done but it keep saying i need to download the new version i have done it more than one time. Should i just ignore the message i don't want a virus. when i sign on to firefox it say i might be at risk of attackers and i need to download the new version. What is the new version?

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