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Already tried update and do a manual download but still can't update my firefox to the latest version.

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My version is 29.0.1. I've done the auto update and failed the update. This is the message saying that it failed the update because: The Update could not be installed (patch apply failed)

Tried manual download and also failed. After clicking the the file Firefox Setup 30.0.exe, a window pops up showing the % of extracting and after 99% the windows disappeared and nothing happens.

Please help. Thanks.

My version is 29.0.1. I've done the auto update and failed the update. This is the message saying that it failed the update because: The Update could not be installed (patch apply failed) Tried manual download and also failed. After clicking the the file Firefox Setup 30.0.exe, a window pops up showing the % of extracting and after 99% the windows disappeared and nothing happens. Please help. Thanks.

Alla svar (2)

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First check whether previous instance of firefox is already running by restarting the computer. Since a properly not closed firefox make the conflicts. other thing is might cause of another user login at time of firefox running. So Restarting firefox might solve this problem .

See this thread for more help : http://mzl.la/LqIMFV

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Try this instead: