Symptom

After the installation by the Setup or of any Servicepack, any attempt to start PTV Vissim leads to a program crash, only the splash screen is shown or the graphical user interface freezes or is not displayed at all.

Resolution

https://support.ptvgroup.com/en-us/knowledgebase/article/KA-05075
https://support.ptvgroup.com/en-us/knowledgebase/article/KA-04987