I have applied the "MSVCR80.dll" fixes (uninstalling and reinstalling iTunes), but I am still having problems.

I have applied the "MSVCR80.dll" fixes of uninstalling and reinstalling iTune in the proper order, several times, but I stall have a problem.  When I launch iTunes, my computer will freeze, task manger says that Itunes has stopped responding and the CPU reading in task manager pegs at 100% usage.  After about 10 minutes the iTunes start running again and the cpu drops back to normal.  I can get to the apple store without freezing.  However, iTune will not display my iPod or iPhone in the sidebar.  And when I plug th the iPod and iPhone into my desk computer I get a error meassage. 
     "This ipod cannot be used because the required software is not installed.  Run the iTunes installer to remove iTunes then install 64-bit version of iTunes"
This I have done three times with the same result.
What next?

It froze on start up, then ran, did not see the plugged in iPod or iPhone, and gave me the same "this iPod cannot be used because..." message.
I also ran the iTune Diagnostic.  It said the the iPod Services " and "Apple Moblie Device" are not running.  So I followed the Help instructions (see Link  for AMD below)  For restarting "iPod Services" everything when per instructions, but it did not fix my iTune problems.   The "Apple Moblie Device" restart was a problem, because I could not find the AMD file in the Service folder.
Hmmm. Let's try swapping out your AMDS.
Download and save a copy of the iTunesSetup.exe (or iTunes64setup.exe) installer file to your hard drive:
http://www.apple.com/itunes/download/
Download and install the free trial version of WinRAR:
http://www.rarlab.com/
Right-click the iTunesSetup.exe (or iTunes64setup.exe), and select "Extract to iTunesSetup" (or "Extract to iTunes64Setup"). WinRAR will expand the contents of the file into a folder called "iTunesSetup" (or "iTunes64Setup").
Go into the folder and doubleclick the AppleMobileDeviceSupport.msi (or AppleMobileDeviceSupport64.msi) to do a standalone AMDS install.
(If it offers you the choice to remove or repair, choose "Remove", and if the uninstall goes through successfully, see if you can reinstall by doubleclicking the AppleMobileDeviceSupport.msi again.)
Does it install (or uninstall and then reinstall) properly for you? If so, does your device connect without that message now?

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