After removing malware Firefox is still broken even after uninstall/reinstall, yet other browsers have no problems with links opening multiple unwanted windows.

I removed malware from my new Windows 7 pro 64 bit PC. I have reinstalled Firefox multiple times to try and resolve the problem, even deleting the Mozilla folder from programs on the C drive. Whenever I click on a link on a webpage in Firefox, multiple unwanted tabs and windows open up making Firefox virtually unusable. Resetting Firefox doesn't help. I installed Chrome and do not get these popups. The malware must have caused some damage related to Firefox that will not allow Firefox to function normally even with a fresh install. I would prefer to use Firefox.
I don't recall the name of the malware.

The cause is most likely the preferences file in your profile folder. That file contains your personal settings, so it doesn't get deleted when you reinstall/update Firefox. The reset feature also retains your preferences file.
Instead of doing a mass delete of all your settings, you can try identify the culprits and reset them individually.
# In the [[Awesome Bar - Find your bookmarks, history and tabs when you type in the address bar|Location bar]], type '''about:config''' and press '''Enter'''. The about:config "''This might void your warranty!''" warning page may appear.
# Click '''I'll be careful, I promise!''', to continue to the about:config page.
# Click on the '''Status''' column, to sort your preferences by status, and group all the ''user set'' preferences together. They should appear in bold.
# If you see any preference that look suspicious, just '''right-click''' on it, and select '''Reset'''.
If you're still not sure which ones to reset, you can post most of them here easily. Go to '''Help > Troubleshooting Information''' then click '''Copy text to Clipboard'''. Open a reply to this post, and go to '''Edit > Paste''' to paste the info from your Troubleshooting Information page.

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