The last 29.0.1 does not seem to honor the boot parameters. It still load the last page instead.

I tried to set it to blank page too, but it still load page (s) of the previous session

It seems that user.js is currently active in Firefox. The user.js file is present than if you or another software has created this file and normally it wouldn't be here.

You can delete a possible user.js file and numbered prefs-# .js files and rename (or delete) the file prefs.js to reset all the prefs by default, including the prefs set via user.js and pref which is no longer supported in the current version of Firefox. You can get the profile below:

  • Help > troubleshooting information > profile directory > see folder

or

  • Go to Subject: support , and then click view the folder next to the profile directory.

Tags: Firefox

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