File::Copy is a pure perl module, so it's unlikely the direct source of the problem. I wonder if the error is really in Win32, an XS module. File::Copy uses Win32's CopyFile function.

In reply to Re: Attempt to free unreferenced scalar in File::Copy (ActivePerl) by ikegami
in thread Attempt to free unreferenced scalar in File::Copy (ActivePerl) by EvanK

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