I have checked your account and your Adobe CC subscription is active.
Please refer to the help document below to fix the trial error:
Sign out from Creative Cloud and Sign in once and check .
Still same ???
Follow below steps:
1) Right click on the Finder icon on dock and select "Go-To Folder" option.
2) You will get a text box, type-in below mentioned command and then hit 'Return' key.
3) It will open the etc folder, please look for file named "hosts" and copy the same to Desktop screen.it
4)Double click on Hosts file , it will open it with TextEdit,
Let me know whether you can see any Adobe related entries inside Hosts file like 127.0.0.1 activate.adobe.com.......etc??
Thanks Sheena and you others! Updating the Adobe Application Manager worked for me. I use Adobe CS5.5 Master Collection for Apache Flex development. I guess the Adobe Application Manager in CS5.5 was way to old for this. Thank you and your support
You are welcome!