Creative Cloud Firewall Exception

I installed Creative Cloud a few days ago and used it without any issues. For the last two days, I have not been able to access CC. The receive the error "Please check your firewall settings, ensure that the time settings on your computer are correct, and try again."

I turned off my firewall without any success

May I know whether you are using Office / Corporate network computer ?

If yes , make sure to contact your IT department and add the Adobe ports to Allow/ Whitelist for Network Firewall.

This doc helps in some cases

http://helpx.adobe.com/x-productkb/policy-pricing/activation-network-issues.html

You need to Allow / Whitelist below ports.

Adobe Ports/Host combinations

ccmdl.adobe.com:80

swupmf.adobe.com:80

swupdl.adobe.com:80

https://na1mbls.licenses.adobe.com

https://ims-na1.adobelogin.com

https://adobeid-na1.services.adobe.com

https://na1r.services.adobe.com

http://activate.adobe.com

https://activate.adobe.com

http://adobe.activate.com

https://adobe.activate.com

ccmdls.adobe.com:443

ims-na1.adobelogin.com:443

na1r.services.adobe.com:443

prod-rel-ffc-ccm.oobesaas.adobe.com:443

lm.licenses.adobe.com:443

www-du1.adobe.com