Firefox keeps jumping up and down

This article is no longer maintained, so its content might be out of date.

If your Firefox window shakes, bounces, or jumps up and down erratically, you ​can ​try ​the ​foll​owin​g acti​ons ​to addr​ess ​the ​problem.

Check extensions and themes

Check toolbars

Based on information from Window shakes (mozillaZine KB)

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