How to replace "apply downloaded update now" with "Check for Updates" in the menu help when the update fails because the downloaded update files are missing but the "Ready to install update" window keeps appearing?


I have another type of problem with Firefox


Window "Ready to Install" Firefox "Software Update" appeared. The folder "C:\Program Files\Mozilla Firefox\updates\0" contained the files update.mar, update.status and update.version. Each of the 3 files have been deleted. The next time that Firefox has been started, no update occurred because update files were missing. In the Menu bar, clicking Help showed in the menu drop-down that "apply downloaded update now" was always on the list. By clicking on "Apply downloaded update now" open "Software Update" window "Ready to install update", so that Firefox still considers that the update files exist, but they do not. In the window "Software Update", by clicking on "Restart Firefox" restart of Firefox, but once again it there's no update, and remains "apply downloaded update now" on the Help menu. How can "Apply downloaded update now" be replaced by "Check for Updates" so the update files can be downloaded?

Version of Firefox


Operating system

Windows XP

User Agent

Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; RV: Gecko/20100401 Firefox/3.6.3

Plugins installed

  • npmnqmp - 989898989877
  • NP-mswmp
  • Adobe PDF plugin for Firefox and Netscape "9.3.2.
  • Default plugin
  • Foxit Reader plugin for Firefox and Netscape
  • Shockwave Flash 10.0 r45
  • Version 1.0.3 copyright 1996-2009 The VideoLAN Teamhttp: / /

You can manually reset the software update feature by closing Firefox and remove the file "updates" (which seems you have done) and the two files "active - update.xml" and "updates.xml" - these are in the installation (C:\Program Files\Mozilla Firefox) directory or in the profile folder (C:\Documents and Settings\nom_utilisateur\Application Data\Mozilla\Firefox\Profiles\something.default).

If it does not, see our KB article How to resolve the failure of the update of Firefox update error message - the section of 'last resort' can be useful, or or read this article from MozillaZine KB, software update.

Please let us know how the above work, and if we can be of further assistance.

Tags: Firefox

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