1. Type about:config into the address bar and press Enter. 2. To bypass the warning, press the big button labeled "I'll be careful, I promise!". 3. In the search box, paste browser.aboutHomeSnippets.updateUrl 4. In the search results, double-click browser.aboutHomeSnippets.updateUrl. Delete all the text so that the preference value is blank, then press the OK button. As a side-effect, the tips that appear below the search box on the default home page will no longer update. 5. Type about:support into the address bar and press Enter. 6. Click the Show Folder button. 7. Open the storage folder, then the persistent folder inside that. 8. Right-click the Firefox taskbar icon and choose either Close All Windows or Close Window. 9. Back in the Windows Explorer window, delete the moz-safe-about+home folder.

Where is the firefox taskbar icon? Can't I just close out the window by hitting the x in the upper right hand corner? Thanks.

Or just enjoy the fun little game until it get's replaced by the traditional logo in a few days :) It's just a promotional thing for the new design of Firefox.