Try the short (DOS) name of the directory, something like:
run "\prj\testin~1\test.bat"

Jaime

>I tried. It seems it doesn't accept long path name.
>e.g. run "\prj\testing long path\test.bat"
>
>Thanks, Wilfred
>
>>Why don't you use the RUN command?
>>
>>>Dear all,
>>>
>>>I'm trying to run an external batch file with the following code
>>>

>>>nRet = shellexecute(FindWindow( 0, _SCREEN.CAPTION),"open",{Batch file},"","",1)
>>>

>>>But it failed in some workstations (NT 4.0).
>>>Any ideas? Or alternatives?
>>>
>>>Thank you, Wilfred