error CANT OPEN PHOTOSHOP, any idea WHY???

"but how I can change preferences if I cant open Photoshop at all"

Scroll down to the bit where is say's "Manually" in the link I posted above

Thanks! but how I can change preferences if I cant open Photoshop at all? 

I'm not seeing any submitted crash reports from you in our system. If you haven't done so already, please submit all Crash Reports along with your email address: https://helpx.adobe.com/photoshop/kb/submit-crash-reports.html That will help us diagnose the crash.

Hi

Try resetting your Photoshop preferences

https://helpx.adobe.com/photoshop/using/preferences.html

If that doesn't help try using the Adobe cleaner tool to uninstall Photoshop and then reinstall from the Creative Cloud app

https://helpx.adobe.com/creative-cloud/kb/cc-cleaner-tool-installation-problems.html