FF 14.0.1, Multiple issues, new tab button broken, sites freeze, unstable, more..

I can't load the some random pages, the new tab button next to the farthest right tab clicks but does not open a new tab... <ctrl>+T does work still.
Pages that load in other browsers time out or otherwise fail to load since the 14.0.1 update.
General instability of Firefox.
sometimes the browser is slow to load, even though there is no problem with the connection or site. (verified by quickly opening opera or chrome, loading the same page in those browsers while FF is still trying)
This is the saddest release of Firefox ever.
Please fix my browser of choice.
Opera looks better every day, as Firefox keeps getting worse.
I remember not to long ago when a running instance of Firefox was ~28MB of RAM, and even a slow leak would not top 100MB in a day's browsing....
Now it starts with several hundred MB's before the home page is even loaded...
Sloppy.
Programmers thought they were slick and convinced Mozilla Foundation a bigger footprint would be more stable... look what's happened... more code to sift to even find problems..
I still need IETab v2 just to be able to use all sites I want.... hasn't Firefox got enough intelligence to figure certain code is used and switch to a different rendering technique?
At least we have IETab v2 when we need it.... it would be nice to not need an addon to make up for a lack of functionality in FF. (Yes, I know Microsoft uses non-standard HTML... and I also know after years of that same code being used that Firefox COULD see that and accept it as something that must just be accepted)
Those pages may not be in compliance with W3C standards, but who wants to live under a dictator anyway... deal with it.
Firefox keeps getting bigger and less desirable, with less reliability... Trim the fat... I'd take stability and reasonable functionality any day. I sorely miss FF 3.X...

Hi,
Please try the [https://support.mozilla.org/en-US/kb/reset-firefox-easily-fix-most-problems Reset Firefox] feature via '''Help''' ('''Alt''' + '''H''') > '''Troubleshooting Information'''. Hopefully most of the issues will be solved.
(To revert to the previous profile you were using, close the new profile (i.e. exit Firefox), start Firefox and choose the '''Default User''' profile. While the [https://support.mozilla.org/en-US/kb/profile-manager-create-and-remove-firefox-profiles Profile Manager] is open, you can also delete the newly reset profile (the one containing random numbers), or the former profile, as the case may be). If the reset is okay, it would be a good idea to delete the old profile as otherwise it would be left intact with the previous data until deleted.
[https://support.mozilla.org/en-US/kb/Managing-profiles Managing profiles]
[https://support.mozilla.org/en-US/kb/Profiles?s=profile&r=2&e=sph&as=s Profiles Howto]

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*https://support.mozilla.org/kb/Safe+Mode
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'''''[https://support.mozilla.org/en-US/kb/troubleshoot-firefox-issues-using-safe-mode Start Firefox in Safe Mode]''''' {web link}
While you are in safe mode;
Press the '''<Alt>''' or '''<F10>''' key to bring up the tool bar.
Followed by;
Windows; '''Tools > Options'''
Linux; '''Edit > Preferences'''
Mac; ''application name'' '''> Preferences'''
Then '''Advanced > General.'''
Look for and turn off '''Use Hardware Acceleration'''.
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This basically sums up my problem, can anyone help me on this?
I have a lenovo y510p just in case you guys are wondering.
Solved!
Go to Solution.

IE11 still has some known issues. I reverted mine to IE10 and have its running ok.
Cheers and regards,
• » νιנαｿѕαяα∂нι ѕαмανє∂αм ™ « •
●๋•کáŕádhí'ک díáŕý ツ
I am a volunteer here. I don't work for Lenovo

Customising UI in 4beta2: hide new tab button

== Issue
==
I have another kind of problem with Firefox
== Description
==
I want to know how to hide the new tab button especially when (to be specific)
tabs[[overflow="true"]
I have tried to modify this code:
<code>.tabs-newtab-button {
display: none
}</code>
but during overflow the new tab button again shows up.
This may not be the right place for such questions, still i needed a solution
== Firefox version
==
4.0b1
== Operating system
==
Windows 7
== User Agent
==
Mozilla/5.0 (Windows; U; Windows NT 6.1; en-US; rv:2.0b1) Gecko/20100630 Firefox/4.0b1
== Plugins installed
==
*-Shockwave Flash 10.1 r53
*4.0.50524.0
*Adobe PDF Plug-In For Firefox and Netscape "9.3.3"

Try:
<code>#new-tab-button, .tabs-newtab-button {
display: none;
}</code>
You can also drag the new tab button back in the Customize window (View > Toolbars > Customize)

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Start Firefox in [[Safe Mode]] to check if one of the add-ons is causing the problem (switch to the DEFAULT theme: Tools > Add-ons > Appearance/Themes).
* Don't make any changes on the Safe mode start window.
See:
* [[Troubleshooting extensions and themes]]

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FF 14.0.1, Multiple issues, new tab button broken, sites freeze, unstable, more..

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