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Hello,
I'm running into an issue where my Mathcad 9 license returns an 'Invalid Host' error on a specific network. It just so happens to be my university's WiFi, which is problematic because I need to use Mathcad on my laptop at my university. Strangely enough, the license works whenever I'm not on the university's WiFi. I've attempted the following:
None of these methods were successful. My other colleagues do not have this problem. Any assistance is greatly appreciated.
Try opening a new case here - "Open a Support Case": https://support.ptc.com/apps/cs_loggers/case_logger/auth/ssl/log