Firefox 3.6.8 Stalls for a Few Seconds
Frequent stalls during regular Firefox use are frustrating and counterproductive. The periods of inactivity can occur at any time and can interrupt downloads and streaming video. Because Firefox 3.6.8 is an older version of the browser, common problems are widely known and easily fixed.
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Flash
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Among the known problems with Firefox 3.6.8 is the trouble it has playing Flash files. As a result, the browser may hang when you are watching Flash videos, loading pages with Flash content or closing sites that involve Flash. It is particularly a problem when you try to pause or restart a video. The bug was fixed in later versions of Firefox; you will need to upgrade to a newer version in order to use Flash smoothly.
Extension Incompatibility
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Extensions, which are add-on functions designed to expand Firefox's capabilities, can cause problems that impede normal function. If you installed extensions while using Firefox 3.5, Mozilla recommends that you update them for use in 3.6.8. Because of the updates to Firefox, the older extensions can cause communication errors that cause the browser to stall periodically. To update, choose Add-ons from the Tools menu and click on the Find Updates button. Click on the Update button for each add-on to install the latest version.
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Places Database
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Firefox 3.6.8 came out in July 2010; if you have been using it since it was originally developed, your places database may be corrupt. Corruption in the places database causes periodic stalls in the program. To create a new database, open your profile folder and quit Firefox. Then, find the files named places.sqlite and places.sqlite.journal, and add ".old" to the end of them. When Firefox is restarted, it will automatically build a new database.
Final Solutions
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The last resort in solving a problem with Firefox 3.6.8 is to update it to the most recent version. Each subsequent release of Firefox was designed to fix known issues, making the browser run more effectively. If you don't want to update, you can uninstall version 3.6.8 and reinstall it to fix any corruption that may have happened during the initial installation.
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