> > I have a VFP application running in several clients offices. The program calls a dos telecommunication package using the RUN (!) command. On all but one of m > > JD Hi John This error may because of command.com not available when u run shell from VFP, try keep command.com in current directory, if it works fine, then the problem is non availablity of command.comm. check with SET command at dos prompt and set COMSPEC=c:\command.com or to required path. Thank Q Waheed