下拉箭頭 火狐瀏覽器_修復Firefox無法使用向上/向下箭頭鍵或Home / End鍵滾動的問題...

下拉箭頭 火狐瀏覽器 If you’ve encountered a problem where your Firefox installation no longer scrolls when you use the up or down arrow keys, and even the Home or End keys don’t work anymore, there’s an easy f

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