Can you try to explain better what you mean and can you please use some punctuation and capitalization to improve the readability? Is this in a Flash plugin game or on an HTML page? You can check that you haven't switched on caret browsing. *http://kb.mozillazine.org/accessibility.browsewithcaret You can press press F7 (on Mac: fn + F7) to toggle caret browsing on/off. *Tools > Options > Advanced : General: Accessibility: [ ] "Always use the cursor keys to navigate within pages"