I have stucked with this:

Sub run_gsar()

Dim naredba As String

naredba = "D:\gsar\gsar.exe " & Range("b4").Value & " -s; -r, -o"

Shell (naredba)
End Sub

Simply nothing happens

I get this from step into code:
: naredba : "D:\gsar\gsar.exe D:\MY DOCUMENTS\CA102005\CA102140.csv -s;
-r, -o"
: String

But gsar does not start.

If somebody have a hint.