shlxthdl_x64.dll - Explorer crashes when you right-click on a folder & keeps crashing & restarting (loop)

Built new PC & fresh install of Win7 HmPrem x64 in Sep2012. Installed aftermarket application programs I already use on 3 other Win7 & Vista PCs. Only different pgm was Libre Office instead of Open Office. Problem started out in Sept., intermittent when I'd right-click on a volume folder (left column of WinExplr), WinExplr would crash & reload once & work okay until next time I'd right-click on volume folder. About 21-December I right clicked volume C: folder (in left column) & WinExplr crashed, restarted, crashed, restarted, etc., in continuous loop. Reboot PC did not stop crash-restart loop. I searched web for answers & found ShellExView. LibreOfc was my prime suspect as it was the only program not also on my other PCs. Two LibreOfc DLL files disabled (shlxthdl_x64.dll and propertyhdl_x64.dll) solved crash-restart loop problem, but right-click volume folder still crashed WinExplr, once.

The details of the shell extension that might cause the problem:

Shell Extension Name:	LibreOffice Thumbnail Viewer
Filename:	shlxthdl_x64.dll
Description:
Company:	The Document Foundation
Product Name:	LibreOffice
File Version:	3.6.1.2
CLSID:	{3B092F0C-7696-40E3-A80F-68D74DA84210}

If you think that you have similar problem in your system, you can try to fix the problem by disabling the specified shell extension. In order to do that, simply follow the instructions below:

1. Download and run the ShellExView utility from this Web page.
2. Find the right shell extension according the details specified above.
3. Select this shell extension and press F7 to disable this extension. After disabling the shell extension, check if the problem still occurs. If the problem still occurs, you should enable back the shell extension by pressing F8, and then try to search for another shell extension that might cause your problem.

This shell extension problem was reported by Bill Blackburn