I recently bought InDesign and downloadaed online via a link. I then installed via th eusual process and I believe registered correctly.
The problem I hav eis that when I launch from my desktop th esoftware opens but then closes straight away.
The laptop i am using is via our local I.T systems and have had them look at it for any issues. They cannot see anything from their end.
We've seen quite a few cases where the installer fails to set the permissions correctly on the folders where ID needs to write the preference files. To get the paths to these folders see Replace Your Preferences