Wrote a command line utility which will unblock folders and files passed to it as a parameter.  You can pass as many files/folders as you want as a parameter.  If function detects "-r" or "/r" as first parameter, will unblock files recursively for directories that are passed to it.  Will perform following actions: 1) determine version of powershell installed on computer 2) if powershell version is greater than or equal to 3, will use powershell to unblock the files.  Otherwise, will do