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Firefox 11 starts automatically at login - usual suspects eliminated

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How do I stop Firefox 11 from starting automatically on login? It starts automatically on one of the user accounts on my less-than-week-old Mac Air (OS X 10.7.3) is started, but not the other. I have investigated the usual suspects and found none of them guilty: 1. The options associated with the icon do NOT have “Open at Login” checked; 2. The Login Items for this user does NOT include a Firefox entry; 3. Some have suggested a PopClip link, but I’ve not installed that; 4. Some have found Firefox installed in an old installation of TOR Browser/Vidalia, but I haven’t installed that either; 5. It is not an issue with the “Reopen windows when logging back in” option on the logout screen – it opens whether the box is checked or not and whether Firefox is open or not at logout; 6. System Preferences -> General -> “Restore windows when quitting and re-opening apps” is NOT checked.

Any ideas?

How do I stop Firefox 11 from starting automatically on login? It starts automatically on one of the user accounts on my less-than-week-old Mac Air (OS X 10.7.3) is started, but not the other. I have investigated the usual suspects and found none of them guilty: 1. The options associated with the icon do NOT have “Open at Login” checked; 2. The Login Items for this user does NOT include a Firefox entry; 3. Some have suggested a PopClip link, but I’ve not installed that; 4. Some have found Firefox installed in an old installation of TOR Browser/Vidalia, but I haven’t installed that either; 5. It is not an issue with the “Reopen windows when logging back in” option on the logout screen – it opens whether the box is checked or not and whether Firefox is open or not at logout; 6. System Preferences -> General -> “Restore windows when quitting and re-opening apps” is NOT checked. Any ideas?

Modified by jjasper

Chosen solution

Problem has disappeared. Perhaps I had been logging in and out to check the results of my efforts instead of restarting the Mac Air.

Thanks to kgupta for the response. I did try changing the default browser (before the problem disappeared) and Safari did not start on login.

Read this answer in context 0

Additional System Details

This happened

Every time Firefox opened

This started when...

After installation of Firefox 11

Installed Plug-ins

  • Adobe® Acrobat® Plug-in for Web Browsers, Version 10.1.3
  • Adobe® Acrobat® and Adobe Reader® Mac plug-in for Mozilla Firefox 10.1.2
  • The QuickTime Plugin allows you to view a wide variety of multimedia content in web pages. For more information, visit the QuickTime Web site.
  • 4.0.60831.0
  • Displays Java applet content, or a placeholder if Java is not installed.
  • Shockwave Flash 10.1 r102
  • The Google Earth Plugin allows you to view 3D imagery and terrain in your web browser.
  • iPhoto6
  • Microsoft Office for Mac SharePoint Browser Plug-in

Application

  • User Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.7; rv:11.0) Gecko/20100101 Firefox/11.0

More Information

Application Basics
Name
Firefox
Version
11.0
User Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10.7; rv:11.0) Gecko/20100101 Firefox/11.0
Profile Directory
Show in Finder
Enabled Plugins
about:plugins
Build Configuration
about:buildconfig
Crash Reports
about:crashes
Memory Use
about:memory
Extensions
Name
Version
Enabled
ID
Adblock Plus
2.0.3
true
{d10d0bf8-f5b5-c8b4-a8b2-2b9879e08c5d}
Download YouTube Videos as MP4 and FLV
1.3.8
true
{b9bfaf1c-a63f-47cd-8b9a-29526ced9060}
DownloadHelper
4.9.9
true
{b9db16a4-6edc-47ec-a1f4-b86292ed211d}
Modified Preferences
Name
Value
accessibility.blockautorefresh
true
accessibility.typeaheadfind.flashBar
0
browser.display.foreground_color
#333399
browser.display.use_system_colors
true
browser.history_expire_days.mirror
180
browser.history_expire_days_min
1
browser.places.smartBookmarksVersion
2
browser.startup.homepage
http://online.wsj.com/home-page
browser.startup.homepage_override.buildID
20120312181643
browser.startup.homepage_override.mstone
rv:11.0
browser.tabs.warnOnClose
false
extensions.lastAppVersion
11.0
gfx.blacklist.webgl.msaa
6
network.cookie.cookieBehavior
1
network.cookie.lifetimePolicy
2
network.cookie.prefsMigrated
true
places.database.lastMaintenance
1334028790
places.history.expiration.transient_current_max_pages
104858
places.history.expiration.transient_optimal_database_size
167772160
places.last_vacuum
1299290741
plugin.disable_full_page_plugin_for_types
audio/aiff,audio/x-mpeg3,audio/x-mpeg,image/x-pict,image/pict,audio/x-mp3,audio/x-aiff,image/jp2,audio/mp4,image/png,aud…
print.macosx.pagesetup-2
PD94bWwgdmVyc2lvbj0iMS4wIiBlbmNvZGluZz0iVVRGLTgiPz4KPCFET0NUWVBFIHBsaXN0IFBVQkxJQyAiLS8vQXBwbGUvL0RURCBQTElTVCAxLjAvL0VO…
print.print_bgcolor
false
print.print_bgimages
false
print.print_command
print.print_downloadfonts
false
print.print_evenpages
true
print.print_in_color
true
print.print_margin_bottom
0.5
print.print_margin_left
0.5
print.print_margin_right
0.5
print.print_margin_top
0.5
print.print_oddpages
true
print.print_orientation
0
print.print_page_delay
50
print.print_pagedelay
500
print.print_paper_data
0
print.print_paper_height
11.00
print.print_paper_size_type
1
print.print_paper_size_unit
0
print.print_paper_width
8.50
print.print_printer
print.print_reversed
false
print.print_scaling
1.00
print.print_shrink_to_fit
true
print.print_to_file
false
print.print_unwriteable_margin_bottom
17
print.print_unwriteable_margin_left
25
print.print_unwriteable_margin_right
25
print.print_unwriteable_margin_top
17
privacy.donottrackheader.enabled
true
privacy.sanitize.migrateFx3Prefs
true
privacy.sanitize.sanitizeOnShutdown
true
security.disable_button.openCertManager
false
security.warn_viewing_mixed
false
Graphics
Vendor ID
1002
Device ID
68b8
WebGL Renderer
ATI Technologies Inc. -- ATI Radeon HD 5770 OpenGL Engine -- 2.1 ATI-7.18.11
GPU Accelerated Windows
0
AzureBackend
skia

Kartikaya Gupta 2 solutions 11 answers

When Firefox starts, does it load any particular URL? I'm wondering if some other app that starts on login is trying to open some URL, which triggers Firefox to start. You could verify this by changing your default browser to Safari and seeing if Safari starts on login instead of Firefox.

When Firefox starts, does it load any particular URL? I'm wondering if some other app that starts on login is trying to open some URL, which triggers Firefox to start. You could verify this by changing your default browser to Safari and seeing if Safari starts on login instead of Firefox.

Chosen Solution

Problem has disappeared. Perhaps I had been logging in and out to check the results of my efforts instead of restarting the Mac Air.

Thanks to kgupta for the response. I did try changing the default browser (before the problem disappeared) and Safari did not start on login.

Problem has disappeared. Perhaps I had been logging in and out to check the results of my efforts instead of restarting the Mac Air. Thanks to kgupta for the response. I did try changing the default browser (before the problem disappeared) and Safari did not start on login.