TLS 1.2 is enabled, I even disabled antivirus and firewall, but still getting the error.
After clearing cookies, ping link started working. However, Creative Cloud application still fails to connect ("Unable to reach Adobe servers. Please check your firewall settings, time settings, and retry").
Is CC2018 no longer supported?
Trying to install latest CC, installer cannot reach Adobe servers as well.
Please refer to this help article. Solution #2 Reset Hosts File.
Also Creative Cloud 2022 is the current version, not 2018. Creative Cloud supports the last 2 major release versions only.
Please make sure your computer meets the minimum CPU & GPU requirements. Most Creative Cloud apps work on: