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When I hover the mouse pointer over the clock in the Windows 7 taskbar, the tooltip flashes for a millisecond and then disappears. Sometimes it disappears so quickly that I won't even notice.

Tooltips for the other items in the notification area are all working normally.

Are there any settings or tools to fix this?

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Try to reboot your computer – Ishikawa Yoshi Jul 31 '12 at 13:10
this is not new. i've had this problem for quit a week. rebooting wont help. – yaser Jul 31 '12 at 17:08
up vote 0 down vote accepted

Are you moving your cursor while hovering? If your cursor moves around too much, a hover might not be detected for very long (or at all).

These might also help:

Set Tooltip duration via the Registry

I'd also check out XdN Tweaker and The Windows Club.

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Thanks for answering but as I mentioned previously, every tooltip in the whole windows environment works as it should do except for the taskbar clock tooltip. I can set tooltip duration but it still won't work for the clock! – yaser Aug 5 '12 at 1:38
Maybe you could try adding/removing "Additional Clocks" from the tooltip via "Adjust date/time." There might be something wrong with what's being displayed in the tooltip, and forcing Windows to change what's in it might reset it somehow. Or, you could try left-clicking on the taskbar clock to bring up the calendar and animated clock. That would certainly last longer than the tooltip (in fact, it stays until you left-click on the taskbar clock again). – steven.schifter Aug 5 '12 at 2:25
Thanks steven, Adding an additional clock did the trick. it's a little thing but I really missed it :) – yaser Aug 8 '12 at 0:14

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