You might want to look into Win32::Process . According to perlfork.pod one problem that windows has is that it does not have a fork system call, thus has to emulate the fork. The document then goes on to discuss the limitations of the emulation.

Hopefully these links will be of some help.

In reply to Re: panic: restartop error using Perl Tk + fork() on Win32. by neosamuri
in thread panic: restartop error using Perl Tk + fork() on Win32. by jryan

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