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I find they frequently get stuck open if you have a near-full-screen application open.

Is it possible to disable them?

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2 Answers

up vote 12 down vote accepted

Open "regedit" as adminstrator.

Navigate to:

[HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced]

Find "ShowInfoTip", right-click and select "Modify" and change the value to "0"

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this is a life saver... I was thinking of going back to windows XP ;) –  playcat Apr 1 '12 at 20:39
    
This hides all tooltips, right? Not just those in the taskbar? If so, it's worth making that explicitly clear in your answer. –  Cody Gray May 29 '12 at 13:33
    
For some reason this does not work for me. I double-checked the key and value and they are as mentioned. If I leave my mouse over some pinned programs on the taskbar, the tooltip always show. I run Windows 7 Home Premium 64 bit, SP1. –  Eric Fortier Aug 23 '12 at 19:31
    
Didn't work for me, either, on Windows 7 pro x64. –  BGM Apr 12 '13 at 1:00
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You might be experiencing this issue, described on Microsoft's Q/A forum:

Why does the tooltip display on taskbar icons when I am not hovering my cursor on them?

The suggestion there is to make sure your video drivers are up to date. For a momentary fix, you can try:

  1. Holding Shift and right-clicking on a tile.
  2. If that doesn't work, try killing dwm.exe.
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