File not found and then PowerShell crash when doing a recursive directory scan

[wdormann]

It's not clear if this is related to Issue #13 or not, but on a Windows 7 system with PowerShell 4, I'm trying to do a recursive directory scan of C:\Program Files, and a couple of errors are emitted before PowerShell crashes:

[egru]

I'm not sure what's causing this off the top of my head, but I'll take a look at it tomorrow.