Firefox freezes when I switch tabs or write in a form.

Every time I switch tab by clicking on them(and sometimes when using the short cut, ctrl+tab ctrl+2 etc) or when I start writing in the awesomebar/a form Firefox freezes. It just visual freeze so I can still go to a website, click on stuff and so on. But when I resize the window by pressing F11 or something like that it returns to normal. I've tried to disable all the plugins and add-ons and i've tried to make a clean reinstall, and when I say clean, I mean clean (deleted all the mozilla/firefox folders in /AppData etc) . Two things that's not affected by this freezes is
1. Flash objects
2. The title of the page. (the tabs title still freezes)
I'm using a ProBook 4330s and I have tons of friends using the exact same model with firefox who's not experiencing this problem. Also note that I don't have this problem with Chrome or Explorer.

Sometimes a problem with Firefox may be a result of malware installed on your computer, that you may not be aware of.
You can try these free programs to scan for malware, which work with your existing antivirus software:
* [http://www.microsoft.com/security/scanner/default.aspx Microsoft Safety Scanner]
* [http://www.malwarebytes.org/products/malwarebytes_free/ MalwareBytes' Anti-Malware]
* [http://support.kaspersky.com/faq/?qid=208283363 TDSSKiller - AntiRootkit Utility]
* [http://www.surfright.nl/en/hitmanpro/ Hitman Pro]
* [http://www.eset.com/us/online-scanner/ ESET Online Scanner]
[http://windows.microsoft.com/MSE Microsoft Security Essentials] is a good permanent antivirus for Windows 7/Vista/XP if you don't already have one.
Further information can be found in the [[Troubleshoot Firefox issues caused by malware]] article.
Did this fix your problems? Please report back to us!

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