I suddenly met this problem that I can not open the solidworks. It used to work without any problem. What should I do?
Make sure the server is running on which you've license installed for SolidWorks.
You can check by pinging the server address.
Thanks! you are right! our department changed the server license.
As Deepak mentioned, it would appear that the license server is down. Contact your system admin at your school and let them know. It may be that they rebooted the server, or that it just stopped running.
Thanks very much!
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