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=== Delete Cookies and Cache in Firefox 8 ===There are two methods in the modern Firefox.(1). To clear the cache, cookies, and/or history immediately simply press Alt to goto the menu, Tools, and choose "Clear Recent History." This will open a dialog labeled "Clear all History" with a bunch of checkboxes next to items you can deselect or select.(2). You can tell Firefox to "Clear history when Firefox closes," which gives you options including cookies and cache. To change this setting and configure options press Alt to goto the menu, Tools, Options - you will notice a checkbox labeled "Clear history when Firefox closes." Click the "Settings" button on the right to configure what gets cleared.