
Recently we posted about adjusting Taskbar thumbnail live preview delay time. In Windows 7, whenever you hover your mouse cursor over a running application's button in Taskbar, Windows shows a small thumbnail of 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 makes all other running applications windows transparent.
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If you don't like the live preview feature and want to turn it off, this tutorial will help you. Today we are sharing a small registry trick to disable these live previews.
So here we start the tutorial:
1. Type regedit in RUN or Startmenu Searchbox and press Enter. It'll open Registry Editor.
2. Now go to following key:
HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced
3. In right-side pane, create a new DWORD value DisablePreviewWindow and set its value to 1 to disable live previews.

4. That's it. Log off or restart your system to take effect.
NOTE: If you want to restore default settings, simply delete "DisablePreviewWindow" DWORD value or change its value to 0.
PS: If you want a ready-made script to do the task automatically, download following ZIP file, extract it and run the extracted REG file. It'll ask for confirmation, accept it:
This article was posted in Windows 7.
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superfan
Nice, really helpful
Cruise
Hello Vishal..,
Please Help with this.. How can I Set Process priority permanently for Particular program in Windows 7 Task manager. Is there any utility available..??
VG
^^ You can create a shortcut or batch file with following command:
start /priority application_name
for example:
start /high firefox.exe
It'll always launch the application in your desired priority level.
Cruise
Cool!! Thanks.. will try this out.. Cheers VG
Johan
This does not work in Windows 7 RTM, any ideas?
VG
^^ It does. This tutorial was posted after testing on RTM.
RanCorX2
no it doesn't, doesn't work on rtm x64.
barak
Thanks for this but as other people say its doesn't work, I created the DWORD value like the guide say and after rebooting the system its show the thumbnail previews, even when i changed the hover time to 50mins its still show it if i minimize any window.
mod2max
I've just started using Windows 7 RTM 32-bit and this trick dosn't work, I've tried everything I can find on the net and nothing works! Visiting askvg regularly I was sure this would work... am I going to be stuck with these silly live previews forever?
Please find a fix for those of us that this hasn't help
denman
I'm using Win7 RTM 64 bits, and this trick does not work.
But maybe it has something to to with the display drivers?! When i'm using my machine with LogMeIn, suddenly the thumbnails are gome....