No, there’s no inherent conflict between Win32::ChangeNotify (or Win32::IPC) and Exporter:

 2:06 >p5u v Win32::ChangeNotify
Win32::ChangeNotify
        C:\Perl\Strawberry\strawberry-perl-5.20.0.1-64bit-PDL\perl\sit
+e\lib\Win32\ChangeNotify.pm: 1.09

 2:07 >perl -MWin32::ChangeNotify -wE "say INFINITE;"
4294967295

 2:07 >perl -MWin32::IPC -wE "say INFINITE;"
4294967295

 2:08 >
[download]

Looks like the conflict derives from another sub INFINITE somewhere in the OP’s code, as Corion suggests.