Hi,
Could you tell if you are facing this issue with Elements Organizer or Editor?
For Editor not launching,
If on Windows, could you follow the steps shared at: Photoshop Elements (PSE) knowledge base.
For MAC, Photoshop Elements (PSE) knowledge base.
For Organizer not launching,
For Windows, Photoshop Elements (PSE) knowledge base.
For MAC, Photoshop Elements (PSE) knowledge base.
Regards,
vaishali