

If you then hover over the thumbnail preview of that app, Windows 10 will show you a full-screen live preview (peek) of that app on your desktop.īut sometimes the taskbar preview feature just gets in the way. To restore defaults, remove the ThumbnailLivePreviewHoverTime value that you created and restart the Explorer shell.When you hover over an opened app in the taskbar, you will get a small thumbnail preview of the app’s window. Tip: To disable the Taskbar Thumbnail Live Preview feature, you can set ThumbnailLivePreviewHoverTime to 120000 milliseconds. Alternatively, you can restart the Explorer shell. To make the changes done by the Registry tweak take effect, you need to sign out and sign in to your user account.Specify how many milliseconds you want to wait before the thumbnail live preview will appear. You need to set its value data in decimals.On the right, create a new 32-Bit DWORD value ThumbnailLivePreviewHoverTime.Note: Even if you are running 64-bit Windows you must still create a 32-bit DWORD value.See how to go to a Registry key with one click. HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced To change Taskbar Thumbnail Live Preview Hover Delay in Windows 10, do the following. This feature can be configured with a Registry tweak. If this delay is set to a larger value, Aero Peek will be essentially disabled for taskbar thumbnails, while the Aero Peek feature of the Desktop and taskbar buttons will remain working. It is possible to change the hover delay timeout and set it to a desired amount in milliseconds so the live preview will be delayed. By default, the preview appears almost instantly. This feature is part of "Aero Peek", which is also available for the Desktop background. When you hover over the thumbnail preview, Windows 10 will show you a live preview of that app's window. When you hover over the taskbar button of an open app, it will show you a small thumbnail preview of its window.
