Opnet 15.0 social advice

Users interested in Opnet 15.0 generally download:

OPNET IT Guru Academic Edition is a utility designed with educational purposes in mind, specifically to help users be introduced to the domain of...

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— I have installed OpNet 9.1, but when I applied for licence activation, it gives an error that it has some files missing. I tried to reinstall but it gives out the same error. What should I do?

These applications have additional components related to activation. You need to install these components, which are usually deployed with the main program. Alternatively, check your firewall, so that the application is allowed to communicate with the Internet.