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Firefox Portable Nightly (64.0 Alpha 1) installer silently fails

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Last seen: 2 years 6 months ago
Joined: 2009-12-30 14:57
Firefox Portable Nightly (64.0 Alpha 1) installer silently fails

Steps to reproduce:

  • Run Firefox Nightly installation
    (either from PA updater or installer from site will do)
  • wait until it successfully finish
  • try running the app


  • Error message "Mozilla Firefox, Portable Edition cannot be started. You may wish to re-install to fix this issue. (ERROR: firefox.exe could not be found)"


  • Firefox Nightly portable starts


  • Rename "App/core" folder to "App/Firefox" manually


  • Windows 10 (1803) x64
John T. Haller
John T. Haller's picture
Last seen: 3 hours 53 min ago
Joined: 2005-11-28 22:21
New Version

When this happens, it means a new version has been released or they changed the live download URLs again. Just let us know in the outdated apps thread.

Sometimes, the impossible can become possible, if you're awesome!

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