I am using Creo parametric 4.0 for the last 8 months, now the software is not starting. Anyone in this community can give me a solution and required steps to restart the application as I require it to complete my project.
Perhaps your license has expired? Apparently they do. I'm assuming, since you didn't specify, that you are using the student version. Here's a discussion from the past on the topic, there are likely many more if you do a quick search: