Probably because Tk doesn't understand UNC pathnames.

Or, rather, it Tk requires to use \\ instead of // in UNC pathes? Did you try to replace the forward slashes by backslashes?

-- 
Ronald Fischer <ynnor@mm.st>

In reply to Re^2: problem with mounted share (MS Windows) by rovf
in thread problem with mounted share (MS Windows) by momo33

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