MacOS Sequoia 15.4.1 update Photoshop issues

Question

Since installing the sequoia 15.4.1 update to my iMacPros yesterday (both computers), I'm having problems with Photoshop. Photoshop generative expand and other AI features have stopped working and I get the dreaded brown box "Please check your internet connection and try again".

Both computers were working fine before the update, now both have the same problems. (yes I should have done one at a time).
I checked my MacBook Pro (running OS Ventura 13.7.5) and everything works fine.

I presume the OS has adjusted an internet connection setting on the system settings.

Firewall is turned off.

Internet speed is 970 Mbps.
Another observation, not Adobe related but may help find the issue, is that WeTransfer will no longer upload files to the Mac desktop app or to the website.

Please help.

miket66381919 · Answer

Since installing the sequoia 15.4.1 update to my iMacPros yesterday (both computers), I'm having problems with Photoshop. Photoshop generative expand and other AI features have stopped working and I get the dreaded brown box "Please check your internet connection and try again".

Both computers were working fine before the update, now both have the same problems. (yes I should have done one at a time).
I checked my MacBook Pro (running OS Ventura 13.7.5) and everything works fine.

I presume the OS has adjusted an internet connection setting on the system settings.

Firewall is turned off.

Internet speed is 970 Mbps.
Another observation, not Adobe related but may help find the issue, is that WeTransfer will no longer upload files to the Mac desktop app or to the website.

Please help.

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