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Firefox auto update (via Help/About) stops responding when the "Restart Firefox" button is pressed


On both the Release and the Beta channels, when a new version is detected the Auto update downloads a file OK but when the RESTART FIREFOX button is pressed then nothing happens. Also the Firefox shortcut on the desktop also becomes dead. (The processing wheel actually spins for about 1 second) If the download file is saved separately from the auto update and applied by clicking this download .exe file then this works OK

I just had this today on the release channel going from 18.0 to 18.0.1 and last week on the beta channel going to 19.0 Beta 1

This is for 64 bit Win 7 latest version on a HP EliteBook 6730 laptop 4GB

Additional System Details

Installed Plug-ins

  • Next Generation Java Plug-in 10.11.2 for Mozilla browsers
  • NPRuntime Script Plug-in Library for Java(TM) Deploy
  • Shockwave Flash 11.5 r502
  • Adobe PDF Plug-In For Firefox and Netscape 11.0.01
  • GEPlugin
  • Amazon MP3 Downloader Plugin 1.0.17
  • The QuickTime Plugin allows you to view a wide variety of multimedia content in Web pages. For more information, visit the QuickTime Web site.
  • npsitesafety
  • Adobe Shockwave for Director Netscape plug-in, version
  • Google Update
  • npapicomadapter
  • 5.1.10411.0
  • Next Generation Java Plug-in 10.2.0 for Mozilla browsers
  • RealNetworks(tm) RealPlayer Chrome Background Extension Plug-In
  • RealPlayer(tm) HTML5VideoShim Plug-In
  • Version
  • Google Talk Plugin Video Accelerator version:
  • Photosynth 2.110.317.1042
  • Zylom Plugin
  • CANON iMAGE GATEWAY Mycamera Plugin
  • Windows Presentation Foundation (WPF) plug-in for Mozilla browsers
  • Npdsplay dll
  • DRM Store Netscape Plugin
  • np-mswmp
  • Office Plugin for Netscape Navigator


  • User Agent: Mozilla/5.0 (Windows NT 5.1; rv:18.0) Gecko/20100101 Firefox/18.0

More Information

  • Top 10 Contributor
  • Moderator
2046 solutions 8901 answers

hello martin, maybe a security program is interfering in the update process, also see How to fix the Update Failed error message when updating Firefox.

Question owner

Thanks Madperson. I temporarily disabled AVG 2013 and retried the auto-upgrade from 18.0 to 18.0.1 but it still didn't work (exactly as described above). I tried a full uninstall (except for customisation) and reinstall of Firefox 18.0 and that didnt work. I tried rebooting and that didn't work.

My XP version is fine (also runs AVG2013) - its just this Win7 environment causing problems.

Question owner

I am still trying to resolve this issue without success. I have discovered that when rebooting in Safe Mode with Networking the auto update (tested 18.0 to 18.0.1) works fine so I deduce it must be one of the processes/services that only starts in a normal reboot that is causing this - but there are too many to check them one at a time !

I am using 64 bit Win 7 SP1 on a HP Elitebook 8730w

When it attempts a restart after attempted update in normal mode it leaves the directory below (which I think should get deleted after update)

  • Top 10 Contributor
  • Moderator
10756 solutions 96800 answers

This can be a problem with your security software (firewall, anti-virus) that blocks the updater.