thnx prathapml but i have some questions,, i want to make multiple-machine-name (diffrent IP & name & networkname) the msbatch98 was made 14 files for me (the No. of my clients) and i want to know how it may work? how to change logo.sys & logow.sys & logos.sys with with this batch? can i setup many programs with your "instTime.bat" (such as realOnePlayer , MSN , Yahoo ,......) thnx for your help