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I had firefox 3.6 and since I updated to 4.0 my computer is running much slower. I called my ISP and they cannot uninstall the 4.0 version. I play alot of POGO and it runs sooo slowly. I am using windows XP. Can you help me get the 3.6. version back?
I would like to get the 3.6 version and uninstall the 4.0 version computer running slow
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Here's the process to roll back:
First, I recommend backing up your Firefox settings in case something goes wrong. See Backing up your information. (You can copy your entire Firefox profile folder somewhere outside of the Mozilla folder.)
Next, download and save Firefox 3.6 to your desktop for future installation. http://www.mozilla.com/firefox/all-older
Close Firefox 4.
You could install Firefox 3.6 over it (many have reported success) or you could uninstall Firefox first. If you uninstall, do not remove your personal data and settings, just the program.
Unless you have installed an incompatible add-on, Firefox 3.6 should pick up where you left off. If there are serious issues, please post back with details.
Note: I haven't actually tried this myself!