Transparency and thumbnails missing aero - how to get them back?

Missing thumbnails in taskbar (when I hover over an icon for a running application) problem started after I have had disappeared from this computer for two months and installed 30 + critical and optional updates when I'm Home 03/06/13 (last updated 04/01/13). I have a screenshot of the updates installed if anyone needs. The restore feature offers no point of restoration before 06/03/13.

I read many issues forum on Aero and vignettes that disappears and tried all the solutions proposed, including but without limitation FixIt Aero (says my graphics card will not be "necessary support display settings", but he has worked for several years), Aero convenience store (no problem found), install the latest NVidia driver on their site, reinstalling the driver from NVidia Dell original worm 8.16.11.9187) regedit changes suggested on the forum, many reboots, etc.

I'm finally ideas, but really want to have thumbnails of more operational hover again. As a side note, I see that the bars in the upper part of the windows are not transparent now either. I worry about this, but I bet they are related.

Any help would be appreciated.

System: Workstation T7500 Dell with Intel dual Xeon 2.66 GHz CPUs, Nvidia Quadro FX3800 1 GB with
12 GB of RAM, Win 7-64 bit Ultimate SP1

Thanks for any help you can give.

If you have updated your Windows then uninstall the update of platform for Windows 7 (KB2670838) and your problem should be solved.

Before I updated my Windows this month I just checked if Microsoft still offer this update. This is in the optional list. I installed so I thought to manually upgrade to IE10 because he wasn't in the IE9 update list. So I did manually and after that check updates again and to my surprise this update has disappeared completely. I have an old PC as well, and after installing all the updates I still have no problems so far. I recommend that you upgrade to IE10 after uninstalling this update (if you updated with that and faced the problem) to get rid of the update forever. But do it at your own risk, because I never updated my machine with this defective update and see if that caused any problems with my machine.

Tags: Windows

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