When Firefox crashes, tabs aren't saved, and Recently Closed Tabs/Windows are grayed-out

Although I had "Show My Windows and Tabs from Last Time" set in Options, my tabs aren't being restored after a crash. I also had my Home Page set to my Yahoo Mail page upon opening a new session. I then changed my Home Page to a blank page, but that hasn't worked to restore my open tabs after a crash. To make matters worse, under History,Recently Closed Tabs and Recently Closed Windows stay gray, so I can't restore the open tabs from there, either.

Make sure that you not run Firefox in [[Private Browsing]] mode.
In Private Browsing mode some menu items are disabled (grayed) and some features like visited links and others are disabled and not working.
You are in Private Browsing mode if you see "Tools > Stop Private Browsing".
See [[Private Browsing]] and http://kb.mozillazine.org/Issues_related_to_Private_Browsing
You enter Private Browsing mode if you select: Tools > Options > Privacy > History: Firefox will: "Never Remember History"
To see all History settings, choose: Tools > Options > Privacy, choose the setting '''Firefox will: Use custom settings for history'''
UnCheck: [[ ] "Automatically start Firefox in a private browsing session"

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Can Firefox v4 be updated to allow opening recently closed tabs from the tab bar??

Opening recently closed tabs by right-clicking (the mouse) over the tab bar was available in Firefox up through the last released update to v3.6. I found it useful and easy to use. I understand that I can use 3 left-mouse clicks to open a recently closed tab from the history (click on upper-left Firefox button, navigate to/click on History, and then navigate to/click on Recently Closed Tabs), or press CTRL+SHIFT+T. Up until version 3.6, I could just simply right-click the tab bar to re-open a closed tab. Can right-clicking the tab bar be re-instituted in Firefox v4?

That tab context menu only shows if you right click a tab on the Tab bar. 
If you right click empty space then the toolbar context menu opens.

How to make Outlook 2013 calendar only show specific hours and hide the others that are grayed out

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RH 11: Search and replace in files: options are grayed out

Hello to all,
just wanted to replace a string in my RH Project. Using the Dialog "search and replace in files", the Option "ignore HTML-Tags" is grayed out.
Even if i create a new, empty Project: the same Problem.
Is this Option generally not available in RH11 or what is the Trigger to gray the Option out?
Sorry if I dont hit the English terminology used in RH, I'm using the German Version...
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Hi Julian. This sounds like you have the Advanced options displayed. try going back to the Basic options by clicking the double arrow icon in the top right hand corner:

How can i increase the number of items saved under recently closed tabs & windows heading in the history menu?

love this feature but need longer list

See:
* http://kb.mozillazine.org/browser.sessionstore.max_tabs_undo
* http://kb.mozillazine.org/browser.sessionstore.max_windows_undo
To open the about:config page, type about:config in the location (address) bar and press the "Enter" key, just like you type the url of a website to open a website. 
If you see a warning then you can confirm that you want to access that page. 
*Use the Filter bar at to top of the about:config page to locate a preference more easily.
*Preferences that have been modified show as bold(user set).
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I don't want my recently closed tabs to be saved... Any way to prevent this?

It has been a long time since I have used Firefox (got a Macbook, and for some reason just used Safari for a long time), so please forgive me if I am just missing something in the Firefox settings.
Anywho, I have Firefox set up to not remember my history because I like the privacy it offers. I think it is odd that I have it set up to delete my history, yet when you go to "History", it keeps a list of all my closed tabs... Doesn't that kind of defeat the purpose of having the browser not save my history?
Is there a way to prevent Firefox from keeping this list of my recently closed tabs?

Note that Firefox keeps a list of one closed window even with browser.sessionstore.max_windows_undo set to 0, so you may have to open another window with one tab and close this window to purge websites from this list.
See also the browser.tabs.closeWindowWithLastTab pref on the about:config page.

"Synchronize Now" and other options are grayed out?

I'm pretty sure this is not technically a WSUS issue but it's only affecting WSUS in this scenario, so...
I have 4 WSUS servers, all in the same OU in Active Directory. 1 is my master server, the other 3 are the replicas. About a week ago, all of the sudden my 3 replicas have "Synchronize Now" is grayed out. Server Cleanup Wizard and WSUS Server Configuration Wizard are grayed out in the Options view, but even the other options say "You do not have sufficient permissions to modify these settings" when I click on them. As a result I can't do manual synchronizations if I have to make a quick approval change. My nightly synchs still occur, thankfully. This is not an issue on my master server even though it is in the same OU and (from what I can tell) the same permissions are applied.
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An update to this. :/
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http://www.wsus.info/index.php?showtopic=11167
...

I usually have 3-4 tabs open which I am saving to read later. But I loose them all the time when firefox crashes or when another appliaction opens firefox to download. Is there a way to save my tabs ?

I usually have 3-4 tabs open which I am saving to read later. But I loose them all the time when firefox crashes or when another appliaction opens firefox to download something and it will discard all my tabs. This is incredibly annoying, is there a way to save my tabs ? or get them back when there is no "restore session" button ?

In Firefox Options / Privacy be sure "Remember download history" is checked. To see all of the options on that panel, "Firefox will" must be set to "Use custom settings for history".
To find your OS information, on your Windows desktop, right-click the My Computer icon, choose Properties, under System on that small window is info about your OS.
'''If this reply solves your problem, please click "Solved It" next to this reply when signed-in to the forum.'''

When firefox crashes it not restoring my tabs I once had up ? :(

when firefox crashes it not restoring my tabs I once had up ? :(

You can use this button to go to the Firefox profile folder:
*Help > Troubleshooting Information > Profile Directory: Open Containing Folder
If you get that "Well, this is embarrassing" window then that means that Firefox has crashed more than once and there should be a sessionstore.js and sessionstore.bak file.
See also:
*http://kb.mozillazine.org/Session_Restore
*https://support.mozilla.org/kb/Session+Restore

When firefox crashes and reopens it offers to restore pages hours/days old.

When firefox crashes and is reopened, it usually brings up the pages that were open during the crash, but many times when firefox crashes, it will offer to restore pages that I did look at but that are hours/days old.
e.g.
I will be on youtube, facebook, my school website, and pandora. Firefox crashes. I reopen. Firefox offers to restore google search, my email, and wordpress, which I had looked at the night before.

I have a similar problem. Recently my FF8 has been crashing a lot. It regularly locks up an entire core of my PC and often just shuts down. It has just done it a moment ago and when it started back up it did the whole "this is embarrassing" thing and asked me if I wanted to reload my tabs. I deselected the one that I was trying to view as I suspected that it may have been the cause (unlikely; it was node4.co.uk) but anyway, let's skip it just in case. Click on the button to restore and up pops my homepage only. So all of my other tabs, which I was using for work incidentally, are gone.
This is not the first time this has happened on FF8. It happened a lot recently on FF6 I think it was (so hard to keep track now, Mozilla) and I switched to Chrome as a result, but it turns out that it crashes even more than FF6 did. FF7 was a vast improvement but FF8 is so unstable/unpredictable for me at the moment that I think I'd rather use IE9 than this. It's driving me mental, clearly! I wish I could kill the process manually and have it retry restoring tabs. Hey, there's an idea Mozilla; give us a menu item that allows us to restore the session to how it started to try again or at the very least get a list of the pages we were looking at. They don't show up in Recently Closed Windows and the Restore Previous Session is greyed out too. Gah! Help!

When I close a tab, and I go through my history of "Recently Closed Tabs" or press Ctrl+Shift+T, my recently closed tab doesn't open and it doesn't get saved in the "Recently Closed Tabs" options under history. What do you think happened?

Does anyone else have this problem? It's in my history, but not under "Recently Closed Tabs".

Make sure that session restore is enabled and working properly.
* http://kb.mozillazine.org/Session_Restore
You can also check these prefs on the about:config page.
* http://kb.mozillazine.org/browser.sessionstore.max_tabs_undo
* http://kb.mozillazine.org/browser.sessionstore.max_windows_undo
* http://kb.mozillazine.org/browser.sessionstore.resume_from_crash

When firefox crashes I lose all of my pinned sites.

When Firefox crashes or freezes and has to be closed, I lose all of my pinned sites. Why are these saved somewhere?

App (pinned) tabs and Tab Groups (Panorama) are stored as part of the session data [1] in the file sessionstore.js [2] in the Firefox profile folder [3].
Make sure that you do not use "Clear Recent History" to clear the "Browsing History" when Firefox is closed because that prevails and prevents Firefox from opening tabs from the previous session.
* https://support.mozilla.com/kb/Clear+Recent+History
* [1] http://kb.mozillazine.org/Session_Restore
* [2] http://kb.mozillazine.org/sessionstore.js
* [3] http://kb.mozillazine.org/Profile_folder_-_Firefox Firefox
It is also possible to use:
* [http://kb.mozillazine.org/Menu_differences Firefox/Tools > Options] > General > Startup: "When Firefox Starts": "Show my windows and tabs from last time"
If you use cleanup software like CCleaner then make sure that Session is unchecked in the settings for the Firefox application.

How to restore a previous sesstion when Firefox crashes

How to restore a previous sessions, when Firefox crashes?

Usually, Firefox restores automatically the previous session at startup when it crashed. If not, try History menu -> Restore previous session.

When I open FF there is no text displaying(menus, content, etc.), and most of the window is blacked out. For example... I can is the the firefox button on the t

When I open FF there is no text displaying(menus, content, etc.), and most of the window is blacked out. For example... I can see the the firefox button on the top left corner, when I go to it the drop down list drops and there is no text, if I move down the drop down I hit where there is a slide out in that drop down and no text is there. So, to start in safe mode you need to go to the firefox button, and click on start in safe mode. I can't See safe mode or click on anything were safe mode should be.

hello, close all firefox windows & hold the shift-key while opening firefox in order to launch it in safemode. in the first dialog just choose "continue in safemode" and go to firefox > options > advanced > general. in there disable hardware acceleration, restart firefox normally again and see if this has changed anything.
also see [[Upgrade your graphics drivers to use hardware acceleration and WebGL]]

Firefox crashing everyday. Updated, removed and reinstalled, but to no avail. Beyond acceptable at this point.

For the last month or two, Firefox has become unstable on two fronts; Firefox crashes, maybe once a week and Adobe Flash crashing in Firefox, maybe twice a week. I have tried everything, but this is becoming too time consuming to put up with. The instability seems to be a Firefox issue. It is free and a labor of love, but it isn't measuring up against Chrome for sure and even IE is more stable these days.
If I go download a full new .exe file and reinstall Firefox, seems to be good for a few days, but sooner or later the same issues rise back up. Something is not like it used to be with Firefox.

We're sorry to hear that Firefox is crashing. In order to assist you better, please follow the steps below to provide us crash IDs to help us learn more about your crash.
#Enter ''about:crashes'' in the Firefox address bar and press Enter. A Submitted Crash Reports list will appear, similar to the one shown below.
#Copy the '''5''' most recent Report IDs that start with '''bp-''' and then go back to your forum question and paste those IDs into the "Post a Reply" box.
''' Note:''' If a recent Report ID does not start with '''bp-''' click on it to submit the report.
(Please don't take a screenshot of your crashes, just copy and paste the IDs. The below image is just an example of what your Firefox screen should look like.)
;[[Image:aboutcrashesFx29|width=500]]
Thank you for your help!
More information and further troubleshooting steps can be found in the [[Firefox crashes - Troubleshoot, prevent and get help fixing crashes]] article.

When Firefox crashes, tabs aren't saved, and Recently Closed Tabs/Windows are grayed-out

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