@Sameer K Please see below. I have followed various steps recommended here and in another thread. PS 26.0 crashes every time on the flash screen. I have tried 2025 Beta. and even reloaded 24..9 that used to work. I have rebooted. I have a 16 in MacBook Pro 2021 running Sequoia 15.1. After reinstalling and uninstalling 2024 and trying 2025 again, I finally got an error report - attached along with presious attachments below. As an aside, PS 26.0 works just fine on my Mac Studio. I could copy and settings from there is you think it would help.
I got the answer from ON1 support. The problem is old ON1 plugins prior to 2025. I went into the CC location and deleted all the old plugins.
MacintoshHD>Library>Application Support>Adobe>Plug-Ins>CC
Thank you all for your advice.