I'm having one of the most bizarre computer problems I've ever encountered. I just re-installed Windows 7, 64 bit on my laptop - a completely fresh install over a fresh format. After I re-installed Firefox, I am having this odd issue where a menu displays in Firefox as a screenshot of the browser screen, until I hover my mouse pointer over an option in the menu. This applies to Firefox's browser menus, context or drop-down menus from websites I'm browsing, or even right-click menus within the browser. Once I hover my mouse pointer over the point in the menu where an option should be, the screenshot filling the box disappears and it appears like a normal menu... until I move my mouse pointer OFF of the general area of a selectable choice, and then the menu is once again filled border-to-border with a miniature screenshot of whatever it is that the browser is currently displaying. Since this is a fresh install, I have next to no Add-Ons of any kind running in the browser. Just Flash, Adobe Reader, and two Norton Add-Ons which are disabled anyway. Still set on the default theme. I've tried disabling Flash, Adobe Reader, and also tried disabling hardware acceleration in the browser settings. If I restart Firefox in safe-mode, it works properly - the menus are no longer glitching out. However, this doesn't help me as I don't know what safe-mode is disabling that is causing the problem - like i said, I already tried disabling all Add-Ons and hardware acceleration outside of safe-mode and it doesn't help. Anyone have any ideas on this one?