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Workaround for Vista Taskbar Thumbnail Previews Not Showing Correctly

The new taskbar previews in Windows Vista are pretty slick, but they seem to stop working for me after a while. This isn't a permanent fix, but it does solve the problem on a temporary basis.

The taskbar previews are actually part of the explorer.exe process, even if they access the DWM service to get the thumbnails.

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My first test was to restart DWM, which didn't seem to do anything. Next, I opened up Task Manager and hit End Process on the explorer.exe process.

image

Now hit File \ Open on the Task Manager window, and then type in explorer into the Open box.

image

Your taskbar previews should be back to normal, although you are probably slightly irritated that this was required. If you really wanted to get slick, you can create a script that automates killing and restarting explorer.exe. After a few more times of encountering this, I'm going to do it myself.

The Geek is the founder of How-To Geek and a geek enthusiast. When he's not coming up with great how-to articles, he's probably writing at his personal blog. This article was written on 06/27/07 and tagged with: Windows Vista, Windows Aero Glass

Comments (23)

  1. Alan Rhodes

    The restart of explorer.exe did not fix the Vista taskbar problem. When I bring up the taskbar properties the "Show Windows Preview (Thumbnail)" is grayed out and unavailable. It had been working but quit for no appearent reason.

    Thanks Alan

  2. Mike Oak

    We have two Acer 5100 laptops, both having the express upgrade of Vista installed (Vista Home Premium). On one (so far) the Taskbar Thumbnails work on the other they don't and I have the same problem as Alan Rhodes above, inasmuch as the property is greyed out.. Any ideas?
    Thanks
    Mike

  3. need solve

    so i …the same proplem

  4. Mike Oak

    Well wadaya know? I discovered that you need to set the "colour scheme" to Aero for the thumbnails to appear. Right click on your desk top, select personalization, select "colours and appearance", then select "Windows Aero" as the colour scheme.

    Works for me.
    Mike

  5. sandie

    i did the color scheme to aero as Mike Oak said, and it worked!!

  6. shilpa

    yeah… even i had the same problem.. and i set the color scheme to aero.. and it worked..

  7. John

    I have a similar problem with aero. Mine is that whenever I hover my mouse over a minimize program the thumbnail isn't live.It used to be live but the thumbnail is just a still picture.

  8. blaze

    hey…what if you don't have aero on your version of vista…i have home basic, and the same problem with the greying taskbar thumbnails.

  9. sandie

    the thumbnails option is only available on window home premium, not home basic.

  10. Brian

    Tried changing to Aero, but it just keeps changing back on it's own. Hasn't fixed the grayed out thumbnail property option, just it did make my firefox window look funny. Now there's about an inch and a half of white space above menu bar.

  11. MaD2ko0l

    hi,
    i had tis problem and iddnt realize til just and the only thing that i changed was the "colours" seeting in the display settings…i changed from 32nit to 16bit and the thumbnails didnt wokr but when i selected 32bit they worked again.

    maybe that will help

  12. Joshua

    If the taskbar thumbnail feature is not meant to be available on Home Basic why is the 'Show windows previews (thumbnails)' option available when you open the 'Properties' of the taskbar in Home Basic? I have checked it, unchecked it, set all theme/colour/personalisation options back ot default and it has yet to work.

  13. khris

    id done all the above and im still with no thumbnails (i do have premium)

  14. Tim

    Apparently if you disable the iTunes toolbar (if you have it) it should get the thumbnails working again

  15. Brenda Smith

    Thank you so much for the information of how to get my thumbnails to show for my picture files.
    I tried sever sites and YOURS did the trick!! Vista will be wonderful once all the bugs are worked
    out. Thank you again.

  16. Ice

    It might be as simple as going to the explorer window - tools - folder options - view - then uncheck always show icons, never thumbnails.

  17. Terraromaster

    Anyone knows how to get Winamp display a proper thumbnail?

  18. Joshua Davison

    You don't actually need to have the Aero theme, But you need to have DWM (Desktop Windows Manager) turned on - Which is needed for the Aero theme.

    To enable DWM, You can type this at the command prompt:

    net start uxsms

  19. Matt

    That worked…Thank you!!!

  20. Nichola

    Just fixed mine after weeks of irritation!!

    Right click on My Computer and select properties. Click on advanced system settings and under advanced select settings for performance.

    In here make sure you have a tick in 'Show thumbnails instead of icons' - Sorted :)

  21. Joel

    Thank you Nichola !!!! You solved my problem of months !

  22. zara

    THANKS!!! god was annoying me so bad… you're the best!

  23. nize

    thx very much… very helpful


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