Win32::GuidGen() does not require Win32-API (I'm very certain, as I actually wrote it myself). It is a function in the Win32 module and included in core Perl. Please try it: 
perl -MWin32 -le "print Win32::GuidGen()"

[download]

If it doesn't work, what does happen?

In reply to Re^3: how to install win32::GuidGen on windows 64 bit OS by jand
in thread how to install win32::GuidGen on windows 64 bit OS by dattaforit

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