Wow6432Node AddIn HKLM Registry path duplication

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VB

AddIn

MS-Word

Utility under discussion: Microsoft word 2010 add in using .Net3.5

Target platform Windows Server 2008 R2, Microsoft Office 2010 professional 32 bit

In Visual studio setup project i add registry enftries in HKCU as well as in HKLM. As per my research Addin to be made available to all users registry has to be added in

HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\Microsoft\Office\Word\Addins\myaddin.

but when i install my addin on target machine HKCU entries are correcrt so administrator can use the installed addin but for HKLM it becomes

HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\Wow6432Node\Microsoft\Office\Word\Addins\myaddin

so when users logg in through AD they dont see the add in. every time i have to manually write enties in

HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\Microsoft\Office\Outlook\Addins\myaddin

through server administrator account. Why is extra Wow6432Node added after Wow6432Node

please guide what am i missing.