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