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Hi Caitlyn, Thanks for getting in touch. Can you provide a few more details such as what operating system are you using to run the IDV? (E.g., MacOS, Windows, Linux). Also did the IDV work before and suddenly stop working or have you never been able to start the IDV? Best, Unidata IDV Support > Good morning, > > I was working with IDV 5.4 yesterday morning on a class project and > received a failed to start error for the program. Since then, I have not > been able to open the program. I have tried uninstalling and reinstalling > the software several times to no avail. > > Are there any known solutions to this problem that I may not be seeing? > > Thanks, Ticket Details =================== Ticket ID: ETD-932834 Department: Support IDV Priority: Normal Status: Open =================== NOTE: All email exchanges with Unidata User Support are recorded in the Unidata inquiry tracking system and then made publicly available through the web. If you do not want to have your interactions made available in this way, you must let us know in each email you send to us.