http://www.perlmonks.org?node_id=1007454


in reply to Re^2: access 64bit registry from 32 bit Perl
in thread access 64bit registry from 32 bit Perl

goto C:\WINDOWS\SysWOW64 in explorer, double click on cmd.exe,
Microsoft Windows [Version 5.2.3790] (C) Copyright 1985-2003 Microsoft Corp. C:\WINDOWS\SysWOW64>cd .. C:\WINDOWS>cd Sysnative C:\WINDOWS\Sysnative>
Only 32 bit processes can see it. It doesn't exist in a 64 bit process. Server 2003 x64 used for above example (I did apply the MS patch to enable sysnative on server 2003 btw). If I try a normal (64 bit) cmd.exe I get
C:\WINDOWS>cd Sysnative The system cannot find the path specified. C:\WINDOWS>