It's a guess, but most likely it's a wrong un. Getting the file read mode wrong is unlikely to cause a crash that would trigger Window's error reporting.
Although the OP didn't give us enough code to reproduce the problem, he did give us enough information to provide some pointers and there was nothing there that indicated file I/O related problems.
In reply to Re^2: Perl command line interpreter not working
by GrandFather
in thread Perl command line interpreter not working
by baperl
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