i don't see your mouse over Extensions.
if you used the keyboard to select Extensions, you need to use the right arrow key to open your extensions sub-panel.
if that doesn't solve your problem, mouse over Extensions and take/attach a screenshot.
i don't see your mouse over Extensions.
if you used the keyboard to select Extensions, you need to use the right arrow key to open your extensions sub-panel.
if that doesn't solve your problem, mouse over Extensions and take/attach a screenshot.