This control is in file MSComCtl.OCX. Make sure this file exists on all clients mashines and is registered properly:
regsvr32 [PATH_TO_MSCOMCTL.OCX_FILE]\MSComCtl.OCX
Plamen Ivanov MCSD .NET Early Achiever and MCAD .NET Charter Member (VB .NET/SQL Server 2000) MCSD (VB 6.0/SQL Server 2000) br> VB (.NET) - what other language do you need in the whole Universe?...