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Everytime I try to install Firefox 7.0 it says the file is corrupt. What can I do to solve this problem?

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I have Windows XP and am trying to upgrade my Firefox to 7.0 and when I try to run the exe file a message comes up that the file if corrupt.

I have Windows XP and am trying to upgrade my Firefox to 7.0 and when I try to run the exe file a message comes up that the file if corrupt.

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It is possible that your anti-virus software is corrupting the downloaded files or otherwise interfering with downloading files by Firefox.

Try to disable the real-time (live) scanning of files in your anti-virus software temporarily to see if that makes downloading work.

See "Disable virus scanning in Firefox preferences - Windows"