Luis, Sorry about the delay in responding to you. Your mail slipped through the cracks here. > Description of problem: Initializing the IDV > unable to create new native thread > [mm5v3@cl2master IDV_2.5]$ ./runIDV -installplugin > http://www.unidata.ucar.edu/software/idv//plugins/workshop.jar > ERROR: createNewWindow-1 > unable to create new native thread I really can't tell what is the cause of the problem you had here. If it happens again please get back with us (and I promise we will respond much quicker). -Jeff Ticket Details =================== Ticket ID: SBD-124140 Department: Support IDV Priority: Critical Status: Closed