Error code 205 indicates that there was an issue with the downloaded file. This error can also occur due to network issues.
Follow the given steps. Go to the next solution only if a preceding one doesn't work.
1. Temporarily disable your antivirus software: See your antivirus documentation for information on how to disable antivirus software temporarily. Once you've temporarily disabled your antivirus software, try to install the app again. Remember to enable your antivirus once you are done.
2. Try to use a different Internet connection: If you have more than one Internet connection, try to use the other one. Then try to install the app again.
3. Configure your software firewall: Software firewalls restrict access to your computer. Some software firewalls prompt you when a program attempts to access the Internet. Other errors could result due to the firewall’s configuration.
If prompted, allow the Creative Cloud desktop app to access the Internet.