Yeah i'm trying to remove it all together, but it sounds like a real hassle if i have to remove theme services.Have a look at this thread I posted a while ago. A small tweak that opens the last used window by leftclicking the icon on the taskbar. Doesnt remove the preview but still lets you open the window with one less click.
So I’ve written a little AutoHotkey script that takes care of this problem. Clicking on an icon restores the last used window and middle clicking an icon closes all windows. I’ve dubbed this program Taskbar Overlord.
Are you using the production release of Win 7? Which edition?Wow, I've tried ever solution posted and then some and not one works! Even the last idea of changing the mouse hover time to a long period, which seemed like such a clever run-around, did not do anything (yes, I restarted my computer and still it did not help). Any other ideas out there? Am I doomed? The obnoxious little previews popping up are driving me crazy!
Hey, in case anyone is still interested in this "problem," I ran across a fantastic application that completely solves it. In addition, it let me change some other things with the new Windows 7 taskbar that I didn't care too much for. It is aptly called the "7 Taskbar Tweaker," and I love it.You can get it at its author's website here.