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The last tab, furthest to the right, does not load when restarting FireFox.

Posted

Whenever I restart firefox, the last tab I had opened does not load. The matter of restarting can be any kind: new add on installed, new firefox update, restarting the browser manually, or restarting my computer so that firefox is automatically closed. It's always the same problem. The last tab will be displayed as my New Tab page, which is blank. I can have 3 tabs open, and the first 2 will load just fine, but the last doesn't. This means that if I restart for an add-on or something, I need to go back into my history to pull up this last tab, which is inconvenient. And it may not have been my most recent tab. I may open this last tab, go back to an earlier tab and surf the web on that, building my history, and then restart firefox for whatever reason. In those instances, I need to open up the history window and dig for that last tab from memory.

Chosen solution

Start Firefox in Safe Mode to check if one of the extensions (Firefox/Tools > Add-ons > Extensions) or if hardware acceleration is causing the problem (switch to the DEFAULT theme: Firefox/Tools > Add-ons > Appearance).

  • Do NOT click the Reset button on the Safe mode start window or otherwise make changes.
Read this answer in context 1

Additional System Details

Installed Plug-ins

  • Next Generation Java Plug-in 10.11.2 for Mozilla browsers
  • Shockwave Flash 11.5 r502
  • Google Update
  • Adobe PDF Plug-In For Firefox and Netscape 10.1.5
  • Adobe Shockwave for Director Netscape plug-in, version 11.6.8.638
  • Adobe Shockwave for Director Netscape plug-in, version 11.6.7.637
  • Adobe Shockwave for Director Netscape plug-in, version 11.6.6.636
  • iTunes Detector Plug-in
  • Adobe PDF Plug-In For Firefox and Netscape 10.1.3
  • Version 1.4, copyright 1996-2011, Tegrity.www.tegrity.com
  • Windows Presentation Foundation (WPF) plug-in for Mozilla browsers
  • np-mswmp

Application

  • User Agent: Mozilla/5.0 (Windows NT 6.0; rv:18.0) Gecko/20100101 Firefox/18.0

More Information

Application Basics
Name
Firefox
Version
18.0.1
User Agent
Mozilla/5.0 (Windows NT 6.0; rv:18.0) Gecko/20100101 Firefox/18.0
Build Configuration
about:buildconfig
Extensions
Name
Version
Enabled
ID
Adblock Plus
2.1.2
true
{d10d0bf8-f5b5-c8b4-a8b2-2b9879e08c5d}
keyconfig
20110522
true
keyconfig@dorando
Load Tabs Progressively
1.6.1
true
loadTabsProgressively@ithinc.cn
NoScript
2.5.7
true
{73a6fe31-595d-460b-a920-fcc0f8843232}
Pocket
3.0.1
true
isreaditlater@ideashower.com
ProxTube - Unblock YouTube
1.4.3
true
ich@maltegoetz.de
QuickDrag
2.1.3.23
true
quickdrag@mozilla.ktechcomputing.com
QuickJava
1.8.0
true
{E6C1199F-E687-42da-8C24-E7770CC3AE66}
Reddit Enhancement Suite
4.1.4
true
jid1-xUfzOsOFlzSOXg@jetpack
Scriptish
0.1.8
true
scriptish@erikvold.com
Snap Links Plus
2.3.1
true
snaplinks@snaplinks.mozdev.org
Stylish
1.3
true
{46551EC9-40F0-4e47-8E18-8E5CF550CFB8}
Tab Badge
1.10
true
badge@darktrojan.net
Tab Utilities
1.5.1
true
tabutils@ithinc.cn
Tegrity Plugin
1.4
true
tegplug@tegrity.com
YTshowRating
1.0.7
true
jid1-m7xzZLMj29zzjA@jetpack
Zotero
3.0.11
true
zotero@chnm.gmu.edu
Zotero LibreOffice Integration
3.5.3
true
zoteroOpenOfficeIntegration@zotero.org
adblockvideo
2.3
false
adblockvideo@adblockvideo.com
Microsoft .NET Framework Assistant
0.0.0
false
{20a82645-c095-46ed-80e3-08825760534b}
Important Modified Preferences
Name
Value
accessibility.typeaheadfind.flashBar
0
browser.cache.disk.capacity
358400
browser.cache.disk.smart_size.first_run
false
browser.cache.disk.smart_size.use_old_max
false
browser.cache.disk.smart_size_cached_value
358400
browser.places.smartBookmarksVersion
4
browser.privatebrowsing.dont_prompt_on_enter
true
browser.sessionstore.restore_on_demand
false
browser.startup.homepage
http://en.wikipedia.org/wiki/Special:Random
browser.startup.homepage_override.buildID
20130116073211
browser.startup.homepage_override.mstone
18.0.1
browser.tabs.warnOnClose
false
browser.tabs.warnOnCloseOtherTabs
false
dom.mozApps.used
true
extensions.lastAppVersion
18.0.1
font.internaluseonly.changed
false
network.cookie.prefsMigrated
true
places.database.lastMaintenance
1359049550
places.history.expiration.transient_current_max_pages
93668
privacy.sanitize.migrateFx3Prefs
true
security.warn_viewing_mixed
false
Graphics
Adapter Description
Mobile Intel(R) 965 Express Chipset Family
Adapter Drivers
igdumd32
Adapter RAM
Unknown
Device ID
0x2a02
Direct2D Enabled
Blocked for your graphics driver version.
DirectWrite Enabled
false (7.0.6002.18592)
Driver Date
2-11-2008
Driver Version
7.14.10.1437
GPU #2 Active
false
GPU Accelerated Windows
0/1 Basic Blocked for your graphics driver version. Try updating your graphics driver to version 7.1500.1000.1666 or newer.
Vendor ID
0x8086
WebGL Renderer
Blocked for your graphics driver version. Try updating your graphics driver to version 7.1500.1000.1666 or newer.
AzureCanvasBackend
cairo
AzureContentBackend
none
AzureFallbackCanvasBackend
none
JavaScript
Incremental GC
true
Accessibility
Activated
false
Prevent Accessibility
0
Library Versions
Expected minimum version
Version in use
NSPR
4.9.4
4.9.4
NSS
3.14.1.0 Basic ECC
3.14.1.0 Basic ECC
NSSSMIME
3.14.1.0 Basic ECC
3.14.1.0 Basic ECC
NSSSSL
3.14.1.0 Basic ECC
3.14.1.0 Basic ECC
NSSUTIL
3.14.1.0
3.14.1.0

cor-el
  • Top 10 Contributor
  • Moderator
10738 solutions 96600 answers

Are the other tabs pinned tabs?

Firefox will always open at least one normal tab.


You can check this setting in Options:

  • Firefox/Tools > Options > General > Startup: "Don’t load tabs until selected"

The "Don’t load tabs until selected" setting toggles the browser.sessionstore.restore_on_demand pref on the about:config page.

There is a browser.sessionstore.restore_pinned_tabs_on_demand pref for pinned tabs that isn't affected by the setting in Options/Preferences.

See "restore_on_demand":

  • resource:///defaults/preferences/firefox.js

Question owner

These tabs are not pinned tabs.

It is also not the Don't load tabs until selected setting (it is unchecked). It loads the unselected tabs - when I switch to them, they're already loaded. The tab it focuses on, the tab furthest to the right, can still be a New Tab that has replaced the active tab on the far right.

Question owner

Just found this one out. Left my computer in sleep mode without a charger while it was on low battery, and it turned itself off from low battery. This crashed Firefox. Upon restarting, Firefox gave the prompt that it couldn't automatically restore the last session. It listed my 4 tabs in Window 1, complete name and all. When I clicked the Restore button, the first 3 listed tabs loaded, but the 4th did not and instead a New Tab was in its place.

cor-el
  • Top 10 Contributor
  • Moderator
10738 solutions 96600 answers

Chosen Solution

Start Firefox in Safe Mode to check if one of the extensions (Firefox/Tools > Add-ons > Extensions) or if hardware acceleration is causing the problem (switch to the DEFAULT theme: Firefox/Tools > Add-ons > Appearance).

  • Do NOT click the Reset button on the Safe mode start window or otherwise make changes.

Helpful Reply

Alright. It appears to be an addon called Load Tabs Progressively. I'll just leave that disabled.