Arcmap 10.7.1 does not open

[NicolaClementel]

I just installed ArcGis 10.7.1 and activated the student license. I can open ArcCatalog but not Arcmap which shortly after starting shows me the message: '' ArcGis has stopped working: please wait while we gather information about the error ... '' I uninstalled and reinstalled it but nothing changes.

[JoshuaBixby]

Have you had ArcGIS Desktop installed on the machine, either earlier or same version, in the past?

Have you tried Problem: ArcMap does not open ?

[NicolaClementel]

Yes, I have used an older version for years. The first time I opened the new version it was working, after which it never opened again.

[JoshuaBixby]

Have you tried the steps in the Esri KB about ArcMap not opening?  It is fairly common for corrupted templates or profile caches to cause problems with ArcMap opening.