I created a VB program which creates a database, executes Pkzip to zip the mdb, and create an executable file. The application works in Windows 98 and Windows 2000, but for some reason it is not working in Windows NT. I have read Microsofts website and how Pkzip can "hang" the system, so I moved the application to a read and write directory, but it still isn't working. I am new to the programming world, so bear with me. Any help would be greatly appreciated! Thank you!