While the October updates to Photoshop, Lightroom, etc use new licensing technology there has been no change to whether customers work with or without an active internet connection. That being said, if you're having problems then I suggest you first log out of your Adobe account then back in again. Of course doing so requires that the internet connection active. When you're satisfied that the applications are functioning correctly you can disconnect from internet.
thank you for your reply. I did what you said. I logged out of creative. Then I deleted the activated items on my adobe ID account. I reconnected on creative cloud. installed the new version. On photoshop and lightroom I see my accounts are activated. but when I restart window without internet connection. the software asks me to connect to the account.
I did several tests even with adobe support. nothing works.
I erase everything and installed photoshop 19.1.6 and LR7.5, no worries they work properly!
Do you have an idea?
I tried this on my MacBook, but I have no problems working with both Lr 8 and/or Photoshop CC 20 while being offline.
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I found where the trouble comes from.
When I leave my internet browser, it automatically erases cookies, apparently the license information must be inside.
So here is the mystery solved.
Thank you to those who took the trouble to answer me.