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Considerations when upgrading from V41 or V43

Long time user (15-20 yrs?), I have been avoiding the "next" upgrade for several years for various reasons (hate change, fave add-ons go away, hate change, not broke-don'… (read more)

Long time user (15-20 yrs?), I have been avoiding the "next" upgrade for several years for various reasons (hate change, fave add-ons go away, hate change, not broke-don't fix, hate change...). But I am now running into a few websites that won't permit this browser, so it may be time to move on. With heavy adblocking and tracker-blocking and my benign web browsing habits, I've not been concerned about security (never had a virus in 20 years - knock wood). It's just full functionality and slowness at this point. At this point, I see even my Classic Theme Restorer is no longer available, so I'll just have to bite the bullet on aesthetics and deal with a modern browser. However, a couple of things are unclear:

1. does 20 years of bookmark history (and remembered history) affect memory footprint. I only refer to existing bookmarks occasionally these days and may consider a full purge. Partial purge would probably be too time-consuming. Maybe even a full profile purge might be worthwhile for a true clean slate. Maybe FF has come a long way and old extensions and settings won't be necessary. I also have several about: settings that I may (or may not?) miss.

2. Are automatic updates unavoidable in newer versions? I read about "manual" but it sounded temporary.

3. The permissions on many potential add-ons I've looked at are quite unnerving... e.g many of them require full access to ALL my data (usernames and passwords!!!) and I know the function has no need for such. Who has time to investigate these fully for safety? Is there any anti-malware vetting required for add-ons to be available?

4. I know newer is generally faster, but FF has a history of growing and slowing down after upgrades. My hardware isn't getting any newer (although its more than ample for my current needs), but software tends to be developed on latest and greatest hardware. How does latest FF compare to circa V41 in memory usage?


In any case, I thought I would give the latest vesion a whirl on my old Vista laptop (which is currently at V43) and check it out before plunging in on my W7 work PC or home PC. Any answers or insight into such a big jump are much appreciated.

Asked by Wendy444 1 year ago

Answered by cor-el 1 year ago

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Computer is telling me that I do not have full permission to install Firefox. Why is this window popping up?

I have seen this question already posed in the forums about updating the latest version of Firefox, however I am not trying to update the version, I am trying to download… (read more)

I have seen this question already posed in the forums about updating the latest version of Firefox, however I am not trying to update the version, I am trying to download the latest version of Firefox to Windows through Chrome. I click the download button on the Mozilla website and I extract the file. At this point the computer asks me if I want to save the file or run the file. I have tried to just run the file and the computer shoots out this message "You may not have the necessary permissions to use all the features of the program you are about to run. You may run this program as a different user or continue to run the program as the currant user". The window gives me two options, "Run as currant user" (which closes everything when I choose it), and "Run as administrator" (which leaves me with a user name and password which are always wrong). I can't download Firefox and have tried alot of stuff. I feel like it is a security setting in my computer that needs to be adjusted but I don't know enough to start randomly tinkering around.

As in all Forums... PLEASE HELP!!!!!!!!

Asked by Eben-ezer 6 years ago

Answered by cor-el 6 years ago

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No success with firewall exceptions so how do I allow download link from unknown publisher

Trying to allow a manufacturers' system scan after suffering longstanding desktop issues but before this can happen I have to download their support assist launcher. So… (read more)

Trying to allow a manufacturers' system scan after suffering longstanding desktop issues but before this can happen I have to download their support assist launcher. So the problem is, the download is blocked after the run/save window with another saying unknown publisher and so refuses to start downloading. The manufacturer says check internet connection. It's fine Now I've allowed the name of the support launcher in firewall via exceptions but it still won't load. Even tried it with firewall turned off. The download Icon TzsetupSfx, is shown in the downloads folder along with its file version 1.2.0.715 and name of publisher. So what can I do to get the download accepted by Firefox. I'm running 52.7 in win XP 3 pro. The manufacturers' URL is a www.

Asked by donedo 2 years ago

Answered by donedo 2 years ago

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The procedure entry point ?DllBlocklist_Initialize@@YAXXZ could not be located in the dynamic link library C:\Program Files (x86)\Mozilla Firefox\firefox.exe

Out of sudden I am getting this error message when I start fire fox The procedure entry point ?DllBlocklist_Initialize@@YAXXZ could not be located in the dynamic link lib… (read more)

Out of sudden I am getting this error message when I start fire fox

The procedure entry point ?DllBlocklist_Initialize@@YAXXZ could not be located in the dynamic link library C:\Program Files (x86)\Mozilla Firefox\firefox.exe

I tried reinstall, uninstall, reinstall, etc and it is not working out for me yet!

Asked by selfhealing2013 2 years ago

Answered by Tonnes 2 years ago

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why won't Firefox let me DL Realplayer cloud?

When I try to DL realplayer cloud I get a screen that says Firefox is unable to establish a connection, Also I no longer have the realplayer DL tab in the corner of the … (read more)

When I try to DL realplayer cloud I get a screen that says Firefox is unable to establish a connection, Also I no longer have the realplayer DL tab in the corner of the videos I am trying to watch/DL. What happened?

Asked by ligeperry 5 years ago

Answered by FredMcD 5 years ago

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Firefox won't connect to the internet

Using Windows 7. I have been running firefox for years. 3 weeks ago firefox wouldn't connect to the internet. Tab was saying 'forbinder...' in danish, that would translat… (read more)

Using Windows 7. I have been running firefox for years. 3 weeks ago firefox wouldn't connect to the internet. Tab was saying 'forbinder...' in danish, that would translate into 'connecting...'. Nothing happened. No matter which website I tried to access, or which tab. Other browsers worked fine. I assumed an automatic update had gone wrong. I uninstalled, and got a fresh Firefox. It worked, and it had kept all my settings. Then some time after, I had the same issue. Could not connect. I used windows uninstall and installed a new copy. Worked. But then it happened again. Forth time around I decided to get rid of the mess. I used windows 'remove program'. I deleted the folder C:\Program Files (x86)\Mozilla Firefox, the %APPDATA% roaming profile data also. And then did a fresh install. However, I am back to my old problem. I can't get thorugh to the internet. It is saying 'connecting', no matter which tab or website I use..

I found an issue related to an Nvidia firewall - I don't have that but other Nvidia software. I updated all to latest. Didn't work. I checked proxy settings, changed from system default to 'no proxy'. Checked if other browsers had different settings, which they didn't. So it didn't work. Then I tried messing with the Windows firewall, which is the only one running. When it didn't succeed I deleted firefox as recommended, to let it selfdefine at next startup. But windows firewall is apparantly not triggeded by firefox starting.

Help, please ;-)

Thank Flemming

Asked by major-smit 4 years ago

Answered by philipp 4 years ago

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Unable to download any file on Google Drive using Firefox

I have been trying for weeks to solve this problem and figure out how it happened but I cannot download any type of file on Google Drive on Firefox and it's been botherin… (read more)

I have been trying for weeks to solve this problem and figure out how it happened but I cannot download any type of file on Google Drive on Firefox and it's been bothering me. I have cleared my cookies, cache, history, saved logins, restarted on private browsing, changed numerous settings and deleted and reinstall Firefox and Abode Flash. Nothing has worked. I even deleted McAfee protection in case it was a firewall problem but that didn't work either.

I'm only having this problem on my HP laptop and on this browser. Downloading google drive files works on my Dell Laptop through any browser.

If anyone has any suggestions as to why this is happening and how to solve it, I would be very grateful. I provided a screenshot of the error every time I try to download a file.

Asked by Kiara 8 months ago

Answered by Vikram Shankar Mathur (GC) 7 months ago

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Firefox won't start after installation on Windows 10/64-bit

I was using Firefox without problem until the last few weeks on my 3rd Gen Carbon X1 running fully-patched Windows 10 64-bit. At some point, it just stopped launching. I … (read more)

I was using Firefox without problem until the last few weeks on my 3rd Gen Carbon X1 running fully-patched Windows 10 64-bit. At some point, it just stopped launching. I have tried everything suggested here https://support.mozilla.org/en-US/kb/firefox-wont-start-find-solutions without luck.

In particular, I uninstalled Firefox with Windows 10 "Add and Remove Programs". Then I deleted all Mozilla/Firefox folders under \AppData. Then I went through the registry and deleted every Mozilla or Firefox key. I rebooted, and reinstalled Firefox from scratch using the installer. There are no errors on installation; however, when I then try to launch Firefox, nothing happens (the process is visible in task manager or pslist, but otherwise no windows opens). I have also tried launching firefox.exe from the command shell; likewise, no errors or other response--it just stays spawns the pid but then no window opens or other visible indication that Firefox is there.

I've tried variations on this uninstall/purge/reboot process several times without any progress. I just can't get firefox.exe to launch at all on this system. Otherwise, the box seems to functioning perfectly, and all other common web browsers work fine.

I've also tried launching in safe mode (via command line or keypress) but get no different result.

Any ideas for narrowing the issue?

Asked by Adam J. Kessel 2 years ago

Answered by Adam J. Kessel 2 years ago

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Firefox will not open up in Windows 7.

Firefox has stopped working in my computer. I have uninstalled and reinstalled 3 times now, and it will not load up. Many articles online instruct me to clean cookies, … (read more)

Firefox has stopped working in my computer. I have uninstalled and reinstalled 3 times now, and it will not load up. Many articles online instruct me to clean cookies, etc. but I cannot do anything if the program doesn't load. It does not even show as loaded in my Windows Task Manager. Please advise.

Asked by wild4hummies 5 years ago

Answered by wild4hummies 5 years ago

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Updated to 45,died,removed,installer extracts,quits.Killed ASC,immunet,MB.Tried Safe Mode. Now what?

Dell Optiplex 745 3.4ghz, 5G,250G W10 FF updated to 45, will not start. Removed it, installers fail. Offline installer extracts and quits. Tried safe mode. Tried shuttin… (read more)

Dell Optiplex 745 3.4ghz, 5G,250G W10 FF updated to 45, will not start. Removed it, installers fail. Offline installer extracts and quits. Tried safe mode. Tried shutting down AV & malware protection. Shut down firewall. Nothing works. Now what? I need FF to access my passwords!!! Using Chrome, which stinks! Edge will not work in SM, I am using Tweaking.com windows repair. I hater exploder and chrome is now worse than useless.

Asked by Ben 4 years ago

Answered by cor-el 4 years ago

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what is the file or registry in mozilla app that gets launch to create the APPData\Roaming\Mozilla

I do like to know what is the file that triggers when you launch the Mozilla Firefox for the first time to create the folder under AppData either Local or Roaming becaus… (read more)

I do like to know what is the file that triggers when you launch the Mozilla Firefox for the first time to create the folder under AppData either Local or Roaming because i want to change it to a different name since i want to have 2 versions of mozilla in the same computer and the old version i want it to customize for my company web application only. I have open all the files with extension *.JS but none of them have the parameter to create the folder I have also look into every INI file inside mozilla firefox application but no info was found as well. I have use the ORCA MSI editor to reveal the registry keys but I am not sure since many of them leads to the Mozilla folder but none to the Appdata either Roaming or Local. Please let me know if you have some hints or files that i need to edit to modify that name to perhaps MOZ2015 Thank you in advance for your reply

Asked by mchahumozilla 5 years ago

Answered by guigs 5 years ago

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Mac version of Firefox has been deleted and updated to latest version but the Software Update window keeps popping up.

I've updated several times using the automatic update system, but the "update ready to install" window kept appearing. I've even deleted the firefox.app file, then manua… (read more)

I've updated several times using the automatic update system, but the "update ready to install" window kept appearing. I've even deleted the firefox.app file, then manually downloaded the latest version and installed it. Still, the Software Update window pops up every time I start Firefox. Anyone know how to stop this behavior?

Asked by JeffBK 3 years ago

Answered by mouse_8b 3 years ago

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Migrated from firefox ESr to firefox, bookmarks and passwords are not imported

Going from ESR to regular firefox bookmarks and saved passwords are gone. Import does'nt have an option to import from ESR version. How do I get my bookmarks and saved … (read more)

Going from ESR to regular firefox bookmarks and saved passwords are gone. Import does'nt have an option to import from ESR version. How do I get my bookmarks and saved passwords back?

Asked by Flyer7000 1 year ago

Answered by Flyer7000 1 year ago

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Firefox won't start - Was previously OK

Hi All, I have only recently installed Firefox for a specific purpose, have no plugins installed, just the basic program with about 3 bookmarks, that's it. Was all workin… (read more)

Hi All, I have only recently installed Firefox for a specific purpose, have no plugins installed, just the basic program with about 3 bookmarks, that's it. Was all working OK until yesterday when it just wont boot. I have tried everything I can think of, so far:

Have tried removing (using app cleaner) and re installing - No joy

Tried going to profile manager through terminal - deleted and created profiles but still no joy

Tried deleting app again with app cleaner and reinstalling previous version - no go

Tried starting app in safe mode (shift key) - no go.

Looking for suggestions as I need to use Firefox for just 1 old website that seems to not work on anything else!

I'm running a Macbook pro Early 2015, Mojave 10.14.6

Asked by soundengineer 1 month ago

Answered by soundengineer 1 month ago

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I installed Firefox fresh, but when I open, I get continuous spinning wheel.

iMac running 10.13.4 (17E202) Uninstalled old Firefox by dragging to trash. Restarted. Downloaded latest Firefox from Mozilla site. When I click new install to open, a w… (read more)

iMac running 10.13.4 (17E202)

Uninstalled old Firefox by dragging to trash.

Restarted.

Downloaded latest Firefox from Mozilla site.

When I click new install to open, a window launches, but nothing else happens but a continuous spinning wheel. Eventually, nothing for it but to force quit (and force quit window confirms Firefox is "not responding").

What should I do?

Asked by sutto 1 year ago

Answered by FredMcD 1 year ago

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Firefox won't open. Uninstalled & removed folder. New installation suspends.

Firefox won't open. I have rebooted to no avail. I have killed it in Task Manager, uninstalled it, deleted the folder and tried to reinstall. At about 70% of the way thro… (read more)

Firefox won't open. I have rebooted to no avail. I have killed it in Task Manager, uninstalled it, deleted the folder and tried to reinstall. At about 70% of the way through the installation, it pauses and there is a message saying that the installer is not responding. The installation panel then disappears. If I try to run it then, the behaviour is the same as it was to begin with, not opening but registering in the Task Manager.

Asked by seanmc 1 year ago

Answered by FredMcD 1 year ago

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Firefox 50 keeps asking to restart to install a Firefox 49 that is already installed

On Mac OS X, Firefox 50.1.0 keeps asking to restart to install a Firefox 49.0.2 upgrade that is already installed. "Update ready to install" "Update : Firefox 49.0.2" I h… (read more)

On Mac OS X, Firefox 50.1.0 keeps asking to restart to install a Firefox 49.0.2 upgrade that is already installed. "Update ready to install" "Update : Firefox 49.0.2" I have 2 user accounts on the Mac both have the issue. Deleting, the personal settings folder does not solve the issue.

Asked by vchartier 3 years ago

Answered by vchartier 3 years ago