This page contains simple fixes for Adobe's PDF preview handler and thumbnails on 64-bit versions of Windows. - Preview handlers are lightweight components which let you view various file types within programs like Windows Explorer (in Windows Vista and Windows 7), Outlook 2007 and Directory Opus (via my bundled plugin).

Adobe Reader comes with Adobe's PDF preview handler but the installer has a mistake which means the preview handler does not work on 64-bit systems. People have been complaining about this for over two years with no official response as of September December 2009 January February 2010.

It turns out the problem can be fixed via a simple registry change. The change is described below and a small program which performs the fix is also provided for your convenience.

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