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When opening Firefox Mozilla,the following message appears -Update could not be installed.Make sure there are no other copies of Firefox running on your computer & then restart Firefox to try again.

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  • Last reply by TonyE

cripfer
cripfer
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If there are other copies of Firefox running, do not know how to check.

If there are other copies of Firefox running, do not know how to check.

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TonyE
TonyE
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See http://kb.mozillazine.org/Software_Update#Software_Update_Failed._The_update_could_not_be_installed