Adjust Delay Time For Windows 7 Taskbar Thumbnail Live Preview

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In Windows 7,  if you hover the mouse over any running application’s button in the Taskbar, it shows the thumbnail preview of the running application with a close button. And if you hover your mouse cursor over the small thumbnail, Windows shows a live preview of the running application and it makes all other running applications windows transparent. If you are looking for a way to adjust this live preview delay time then this post will help.

ThumbnailPreview

First of all launch the Registry Editor by clicking Start, then type regedit and hit Enter.

Registry Editor

Now in the left sidebar, navigate to HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced and you will be able to see the ThumbnailLivePreviewHoverTime parameter in the right side main window.

ThumbnailLivePreviewHoverTime

Double click it and set the new value in milliseconds, for a faster preview you can set the delay time up to 1000 milliseconds.

Thumbnail Value

Click OK and you are done.

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  • javierl93

    Hi i cant find ThumbnailLivePreviewHoverTime in advanced are ol the other name but not this i have windows 7 ultimate 7600

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  • yugushen

    I also can't find ThumbnailLivePreviewHoverTime in Advanced. I'm running Windows 7 Professional. And I try to add it manually, but it doesn't work.

  • toto

    yeh same here, i can't find it. im also running windows 7 professional. does it have to do with an upgrade install at all? i did a custom upgrade.

  • toto

    yeh same here, i can't find it. im also running windows 7 professional. does it have to do with an upgrade install at all? i did a custom upgrade.

  • toto

    yeh same here, i can't find it. im also running windows 7 professional. does it have to do with an upgrade install at all? i did a custom upgrade.

  • Vladimir

    you have to create it, Right click on the white space -> new DWORD and enter what you saw up there