Windows 7 Home Premium x64 Firefox 26.0 Not an addon issue - I've loaded up Fire Fox 2.6 and the same addons on a different computer and experienced no problems. Addons: Noscript (added after problem occured, not the cause) Adblock Plus, Adblock Plus Edge, Adblock Plus Popup Addon Plugins * Shockwave Flash 11.9 r900 * Google Update * Next Generation Java Plug-in 10.51.2 for Mozilla browsers * Unity Player 4.3.1f1 * Adobe PDF Plug-In For Firefox and Netscape 11.0.03 * NPWLPG (did some self research on this, windows live photo gallery plugin. Not the cause) * Roblox Launcher Plugin Computer is free of viruses. Scanned with Malwarebytes, Spybot Search and Destroy 2.0, AVG 2014, adwcleaner (powerful adware cleaner) No reset option for Firefox 26.0. Whenever I go to a page on Firefox, such as google.ca (I'm living in Canada), the URL bar shows the URL for a split second and goes back to "Search or enter address" as though I haven't typed anything in for the first place. However, when I right click the URL bar when this happens the Undo option is selectable and not grayed out. When I clicked Undo the URL, https://www.google.ca, was back like normal. The other issue is that whenever I'm typing something in on a webpage, like a search on google.ca, if the URL bar is blank like usual the | that appears when typing jumps to the URL bar and continues typing there. It is HIGHLY irritating whenever I'm trying to write a lengthy forum post and such or a quick search on YouTube and it cuts off and starts appearing in the URL bar where I need to click where I was previously typing and continue. I don't understand what's going on.