Slow scrolling with all add-ons and extensions disabled, but OK is safe mode

I have a page for work, with a lot of links, that scrolls very slowly, with a choppy action. It is the same with all add-ons and extensions disabled. But when restarted in safe mode, the scrolling is OK.
What else does the safe mode block? Or what could be the problem.

In Firefox 4 and later Safe mode disables extensions and disables hardware acceleration.
*http://kb.mozillazine.org/Safe_mode
Try to disable hardware acceleration.
*Tools > Options > Advanced > General > Browsing: "Use hardware acceleration when available"
If disabling hardware acceleration works then check if there is an update available for your graphics display driver.

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I have disabled all add ons and extensions to stop adverts but everytime I log into my pc the adverts appear again? not happy :(

since I updated firefox I have been HOUNDED by adverts. I read an article that suggested disabling all add ons and extensions but they seem to enable themselves again after I open my pc! I am very careful and always tick and untick boxes when I am downloading updating anything to ensure this doesn't happen therefore these add ons seem to have been automatically added by firefox during the update. not cool! the amount of adverts and the fact I have never suffered from such a pop up invasion in my life is becoming EXTREMELY annoying how do i permanently stop these adverts?

Do a malware check with some malware scanning programs on the Windows computer. 
Please scan with all programs because each program detects different malware. 
All these programs have free versions.
Make sure that you update each program to get the latest version of their databases before doing a scan.
*Malwarebytes' Anti-Malware: http://www.malwarebytes.org/mbam.php
*AdwCleaner: http://www.bleepingcomputer.com/download/adwcleaner/ http://www.softpedia.com/get/Antivirus/Removal-Tools/AdwCleaner.shtml
*SuperAntispyware: http://www.superantispyware.com/
*Microsoft Safety Scanner: http://www.microsoft.com/security/scanner/en-us/default.aspx
*Windows Defender: Home Page: http://www.microsoft.com/windows/products/winfamily/defender/default.mspx
*Spybot Search & Destroy: http://www.safer-networking.org/en/index.html
*Kasperky Free Security Scan: http://www.kaspersky.com/security-scan
You can also do a check for a rootkit infection with TDSSKiller.
*Anti-rootkit utility TDSSKiller: http://support.kaspersky.com/5350?el=88446
See also:
*"Spyware on Windows": http://kb.mozillazine.org/Popups_not_blocked

If I don't use the default homepage I have to start Firefox twice. I have all add-ons and extentions disabled.

I have tried setting my homepage to Google and to Bing but Firefox closes as soon as the page loads. Starting it a second time works with no problems.

Start Firefox in [[Safe Mode|Safe Mode]] to check if one of the extensions or if hardware acceleration is causing the problem (switch to the DEFAULT theme: Firefox/Tools > Add-ons > Appearance/Themes).
*Don't make any changes on the Safe mode start window.
*https://support.mozilla.org/kb/Safe+Mode
*https://support.mozilla.org/kb/Troubleshooting+extensions+and+themes
You can try to reset Firefox.
*https://support.mozilla.org/kb/reset-firefox-easily-fix-most-problems
Reset creates a new profile and tries to import some settings from the old profile leaving the old profile intact.
*https://support.mozilla.org/kb/Recovering+important+data+from+an+old+profile
Also check the settings in your security software.
A possible cause is security software (firewall,anti-virus) that blocks or restricts Firefox or the plugin-container process without informing you, possibly after detecting changes (update) to the Firefox program.
Remove all rules for Firefox and the plugin-container from the permissions list in the firewall and let your firewall ask again for permission to get full unrestricted access to internet for Firefox and the plugin-container process and the updater process.
See:
*https://support.mozilla.org/kb/Server+not+found
*https://support.mozilla.org/kb/Firewalls

Anytime I run a Flash game, Firefox closes! I have updated all add-ons and extentions, disabled Adobe DLM and went through the suggestions to fix this issue. NOTHING WORKS! What do I do?

The game I am trying to play is on Facebook. The internet and other sites work as normal, but when I load a flash game the game begins for about 30 seconds and then freezes and firefox shuts down. I have used INTERNET EXPLORER and the games loads fine. This issue is with firefox plugins, extensions, add-ons...or whatever. I don't know what to do to get this to work properly.

Thank you so much, for once in my computer life I knew what the problem was, what caused it, why it was caused, what it did, what it made it do and most importantly how to fix it and to do it correctly and expeditiously. I can not Thank You all enough for all of the help! I also have Pogo mailed this to all on my friends list, where they have all learned as I have and have fixed theirs also. and the message is being spread. Thank You again, I just can not say it enough.

I install all ADD-ONS and i want to remove it from my browses to be back as standard firefox browses i try to delete the program and re download it but it's return with all ONS please help

i install all ADD-ONS and i want to remove it from my browses to be back as standard firefox browses i try to delete the program and re download it but it's return with all ONS please help

http://support.mozilla.com/en-US/kb/troubleshooting+extensions+and+themes

Why have many of my add-ons and extensions been disabled after switching to firefox 6

Many of my add-ons and extensions have been disabled after switching to Firefox 6.
None of the Java extensions can be used;
my Microsoft frame is disabled;
my media player is gone;
and my google toolbar with all of my important bookmarks is missing.
How can Firefox 6 be considered an "upgrade"?
How can I '''retrieve Firefox 4 or 5'?''--there's no point in using a browser that limits so many necessary add-on sites!

Hi, mhaoo7--
Tried your plugins updating suggestion; no go.
Then tried updating to FF7.
This time the Yahoo! toolbar was no longer compatible with FF.
Scoured sites discussing problems with versions 6 & 7
and decided to retire to version 3.6.19.
Now both Google and Yahoo! toolbars are re-installed and
working....Only deficit may be that FF no longer supports or
soon will not support this version.
I have stashed all of my necessary bookmarks on Google's toolbar;
I like its drop-down menu as it doesn't change the page/window I'm
in the process of using;
I don't want to see that menu listed separately in a new window (too chaotic).
Same for the Google dictionary and Thesaurus, which are straightforward
and easy to use, again requiring nothing more complicated than a drop-down menu
to search for words and concepts.
--I checked Firefox 6 and 7's Dictionary/Thesaurus options but unfortunately
found none.
So if Firefox continues to upgrade with diminished returns, I'll likely have to go
to Google Chrome.
Would rather not do that.
Maybe I can keep FF 3.6.19 without incurring nasty repercussions.
Hope so.
Have enjoyed being with Firefox for a few years.
Thank you for your attention.
marlem388

I got update 23 and then it cks if all add ons are ok. But every time I turn firefox on it keeps recking if add ona are good. How do i stop firefox from cking??

Hello I got update 23 and when it finished and restarts it cks all my add on's and then its ready to finish updating. but this update the cking for good add ons keeps scanning each time i turn on firefox. so the 1st part of the 2 part scans ok but when it scans the 2ed part to ck add ons it does not finish and just goes away so then every time i turn on friefox it keeps doing this instead of laoding my home page firefox keeps opening up and then the firefox home page opens when i have my home page set to open up my yahoo acct. how do i get 23 update to stop scanning my 10 add ons and will then finish installing so my windows 8 laptop will get past this problem?? I hope U can tell me what to do and all my add ons are ok and my extensions are all good too!! thanks for helping me??

It is possible that there is a problem with the file(s) that store the extensions registry.
Delete the extensions.* files (e.g. extensions.sqlite, extensions.ini) and compatibility.ini in the Firefox profile folder to reset the extensions registry.
*https://support.mozilla.org/kb/Profiles
New files will be created when required.
See "Corrupt extension files":
*http://kb.mozillazine.org/Unable_to_install_themes_or_extensions
*https://support.mozilla.org/kb/Unable+to+install+add-ons
If you see disabled or not compatible extensions in "Firefox/Tools > Add-ons > Extensions" then click the Tools button at the left end side of the Search Bar ("Find Updates" button in older Firefox versions) to check if there is a compatibility update available.
If this hasn't helped then also delete the addons.sqlite file.
You can also check for problems with preferences. 
Rename or delete the prefs.js file and possible numbered prefs-##.js files and a possible user.js file to reset all prefs to the default value.
*http://kb.mozillazine.org/Preferences_not_saved
*http://kb.mozillazine.org/Resetting_preferences

V 17 & 18 use minimum of 30% cpu (even with all add-ons disable and safe mode) on MacBook 10.7

I have been having problems since release 17 (at least) with Firefox sucking up CPU. I have 4GB ram and often have multiple programs open, including Firefox with between 5 and 15 tabs / windows. Decreasing the number of open tabs / windows will decrease CPU usage by 2% for each tab / window closed until it hits 30%, then no more improvement. Oddly enough it drops to a constant 25% when Firefox is NOT in safe mode and all my plugins are enabled. But not below.
Help. I love firefox, but it is becoming more and more problematic.

I found a suggestion on this thread: http://forums.adobe.com/thread/912984?tstart=0
that says to turn of the window restore feature in Lion. I turned it off and was able to install AIR and run the AIR application I use.
You can turn off the window restore feature in System Preferences -> General

Firefox keeps wanting to start in Safe Mode and it says I can make some changes permanent such as "Disable all add-ons" and others. When I select one of the options I can then "Make Changes and Restart".

When I make my selection it can then proceed to use Firefox. However the next time I open Firefox I get the same problem.
I'm using Windows 7. I have used Firefox for many years with Windows XP and never had this problem. Is there a solution?

See [[Firefox is stuck in Safe Mode]]
"Reset all user preferences to Firefox defaults" on the [[Safe mode]] start window.
Delete the files extensions.* (extensions.rdf, extensions.cache, extensions.ini, extensions.sqlite) and compatibility.ini in the Firefox [[Profiles|profile folder]] to reset the extensions registry. New files will be created when required.
See "Corrupt extension files": http://kb.mozillazine.org/Unable_to_install_themes_or_extensions
If you see disabled, not compatible, extensions in "Tools > Add-ons > Extensions" then click the "Find Updates" button (in Firefox 4: right-click the extension -> "Find Updates") to do a compatibility check.

Is there any setting in Firefox 8 and above to enable third party add-ons and extensions by default. This is required for our automation. Any quick help appreciated.

Basically, my requirement is to get all the third party extensions/add-ons enabled by default. Though Firefox8 and above have disabled the third party extensions/add-ons, is there any way to customize the settings so that all third party extensions and add-ons get enabled by default in Firefox8 and above.

I had that problem once, the way I fixed the two addons I had problems with was to find and manually download the xpi file from the author's page. Once you have that you can edit the install.rtf file that is inside it.
Here's a guide on how that works.
http://kb.mozillazine.org/Editing_an_add-on_to_change_its_compatibility

I cannot open my mail in hotmail. I cleared my cache and cookies, I reinstalled firefox, I tried disabling all add-ons and plug ins...nothing works. I don't understand, yesterday it worked just fine. Any help?

Mozilla/5.0 (Windows; U; Windows NT 6.0; en-GB; rv:1.9.2.8) Gecko/20100722 Firefox/3.6.8 ( .NET CLR 3.5.30729; .NET4.0C)

You can remove all data stored in Firefox from a specific domain via "Forget About This Site" in the right-click context menu of an history entry ("History > Show All History" or "View > Sidebar > History") or via the about:permissions page.
Using "Forget About This Site" will remove all data stored in Firefox from that domain like bookmarks, cookies, passwords, cache, history, and exceptions, so be cautious and if you have a password or other data from that domain that you do not want to lose then make sure to backup this data or make a note.
You can't recover from this 'forget' unless you have a backup of the involved files.
It doesn't have any lasting effect, so if you revisit such a 'forgotten' website then data from that website will be saved once again.
Start Firefox in [[Safe Mode|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.
*https://support.mozilla.org/kb/Safe+Mode
*https://support.mozilla.org/kb/Troubleshooting+extensions+and+themes

I love firefox 3.08 but when I install any improved versions they will not run on my desktop even when I have disabled all add ons and the firewall, can you help?

my system is Windows XP Media Center 2005 Hp model
I use Avast anti virus but have disabled it when loading firefox
I removed the Mcfee firewall which I thought might have stopped it running
I disabled all the add ons in case that was the problem
The internet explorer which I dont use as a browser has loaded up the inbox which ss very hard to remove
I have tried all the suggestions in the support section without success
please help as the message on the screen reads that the firefox version 3.08 is no longer secure.

Certain Firefox problems can be solved by performing a ''Clean reinstall''. This means you remove Firefox program files and then reinstall Firefox. Please follow these steps:
'''Note:''' You might want to print these steps or view them in another browser.
#Download the latest Desktop version of Firefox from http://www.mozilla.org and save the setup file to your computer.
#After the download finishes, close all Firefox windows (click Exit from the Firefox or File menu).
#Delete the Firefox installation folder, which is located in one of these locations, by default:
#*'''Windows:'''
#**C:\Program Files\Mozilla Firefox
#**C:\Program Files (x86)\Mozilla Firefox
#*'''Mac:''' Delete Firefox from the Applications folder.
#*'''Linux:''' If you installed Firefox with the distro-based package manager, you should use the same way to uninstall it - see [[Installing Firefox on Linux]]. If you downloaded and installed the binary package from the [http://www.mozilla.org/firefox#desktop Firefox download page], simply remove the folder ''firefox'' in your home directory.
#Now, go ahead and reinstall Firefox:
##Double-click the downloaded installation file and go through the steps of the installation wizard.
##Once the wizard is finished, choose to directly open Firefox after clicking the Finish button.
Please report back to see if this helped you!

I cannot open emails in Hotmail even though I have disabled all add-ons and plugins.

As of this morning, I cannot open any emails in Hotmail or open any folders therin. I have disabled all of my plugins and add-ons which has made no difference. To the best of my knowledge, no updates have been made to Firefox on my PC since yesterday.

When you have a problem with one particular site, a good "first thing to try" is clearing your Firefox cache and deleting your saved cookies for the site.
(1) Bypass Firefox's Cache
Use Ctrl+Shift+r to reload the page fresh from the server.
(You also can clear Firefox's cache completely using:
orange Firefox button ''or'' Tools menu > Options > Advanced
On the Network mini-tab > Cached Web Content : "Clear Now")
(2) Remove your live.com cookies (save any pending work first) using either of these:
* While viewing a page on the site, right-click and choose View Page Info > Security > "View Cookies"
* Alt+t (open the classic Tools menu) > Page Info > Security > "View Cookies"
Then try reloading the page. Does that help?

Updated to the new firefox 4.0. completely screwed up comp. Had to pay to have an old firefox reinstalled, trying to uninstall extensions and add ons but am unable to do it from the add ons and extension screen. need help

I keep selecting the uninstall button on the screen but the restart firefox now button only comes up every once in awhile. I've restarted firefox several times but the addons and extensions are still there with the options of disabling or uninstalling available for selection. All extensions and addons worked just fine before upgrading to 4.0. Am really frustrated and disappointed with Mozilla Firefox because of this situation.

I keep selecting the uninstall button on the screen but the restart firefox now button only comes up every once in awhile. I've restarted firefox several times but the addons and extensions are still there with the options of disabling or uninstalling available for selection. All extensions and addons worked just fine before upgrading to 4.0. Am really frustrated and disappointed with Mozilla Firefox because of this situation.

Firefox crashes randomly even with all extensions disabled and new profile, but not in safe mode

Starting from about 2 weeks ago, Firefox has been crashing. The crashes is seemingly random, but normally happens when many pages/tabs are open. Also, all observed crashes happened in middle of some user operations. If I just leave it open(and loaded), it would never crash even after a long time.
Also, the crashes would still happen even after ALL extensions are disabled manually. However it doesn't seem to happen in Safe Mode.
After every crash, in the crash report dialog, the "Details" report would not respond. However I can open the reports using about:crashes.
Before the crash would happen, sometimes the following ill-behaviors could be observed:
* Firefox fails to render CJK characters, displaying them as square boxes instead
* CJK IME(Namely Google Pinyin, an IME for Simplified Chinese) could no longer be activated in Firefox, neither on a webpage element nor on UIs of Firefox itself(i.e. address bar or search bar)
The following has been tried but no luck:
* Disable ALL extensions manually
* Start a new profile
* Reset Firefox
* Uninstall/Reinstall Firefox
* Switch from FX 14 to 15, then to 16 beta

hello Rainarrow, some other users who have recently updated the graphics driver for their ati hardware (to ati catalyst version 12.8) have reported similar crashes. please try disabling hardware acceleration in firefox > options > advanced > general & see if this resolves the issue of frequent crashes for the moment.

Slow scrolling with all add-ons and extensions disabled, but OK is safe mode

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