Yes, I did use -x.
I get a standard Windows error window stating that the .exe stopped working.
Details according to Windows:
Problem Event Name: APPCRASH
Application Name: openfile_test.exe
Application Version: 0.0.0.0
Application Timestamp: 4fba3b5e
Fault Module Name: perl514.dll
Fault Module Version: 5.14.2.1402
Fault Module Timestamp: 4e8f870c
Exception Code: c0000005
Exception Offset: 000ad1bf
OS Version: 6.1.7601.2.1.0.256.48
Locale ID: 1038
Additional Information 1: 0a9e
Additional Information 2: 0a9e372d3b4ad19135b953a78882e789
Additional Information 3: 0a9e
Additional Information 4: 0a9e372d3b4ad19135b953a78882e789