Iam having trouble with the follwing line of code: I need to run this to install a program, it works in DOS, why cant I get it to work with the RUN or RUNWait command. I am not sure, any help will greatly appreciated. Dim $var = "C:\Program Files\SmartPSS\Smart_Update\ST6UNST.LOG" RunWait(@ComSpec & " /c " & "C:\Windows\ST6UNST.exe -n $var /silent") I have also tried with no avail, but the following is exactly what i used in DOs to get it to work. Run("C:\Windows\ST6U