the folder itunes is on a locked disk

The latest iTunes (as of March 2017) gets installed and gets pointed to C:\music on the initial install.  When iTunes is started it gets the message "The folder "iTunes" is on a locked disk or you don't not have write permission for the folder".  The folder is NOT read only and it HAS the right permissions.  We've gone as far as to change the C:\music folder permissions to FULL for EVERYONE.  

This is on a WIndows 8.1 Pro, 64-bit OS.  The machine is also on a domain with redirected folders.  Even so, this install should work because it is installed locally where the domain user is also the in the local administrator's group (much less giving EVERYONE the same privileges).

CHKDSK C: /F was run but there were no errors.
CHKNTFS C: was not dirty.
The system is not fragmented and the MFT only has 2 fragments.

Any ideas?
Real answers only - no "read this blog" or "click this link" please.
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JohnBusiness Consultant (Owner)Commented:
The latest issue of iTunes is January of this years and Apple Software Update says nothing new.

If installed to the correct folders back then on two machines.

Did you get iTunes from or a third party source?
ifound this answer - but could not try it :
Try holding down shift as you launch iTunes.
Keep holding until asked to choose or create a library.
Click Choose.
Browse to your library file which will normally be at C:\Users\<User>\Music\iTunes\iTunes Library.itl

if this does not help, more options shown here :

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JohnBusiness Consultant (Owner)Commented:
Another thing to try (as I still do not think there was a March 2017 issue of iTunes) is to uninstall / reinstall. Follow the steps below.

To uninstall iTunes (V11, 12;  Windows 7/8/10)
Control Panel > Programs and Features:
Uninstall the following in order as shown:

Quick Time
Apple Software Update
Apple Mobile Device Support
Apple Application Support

Restart the computer.

Remove the folder:

C:\Users\jdhurst\AppData\Roaming\Apple Computer\iTunes

Now install the latest version of iTunes  ( from
JohnBusiness Consultant (Owner)Commented:
Real answers only - no "read this blog" or "click this link" please.

Did you try the answers provided?
JohnBusiness Consultant (Owner)Commented:
Answers with no links provided.
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Windows Server 2003

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