Ensure that you’re connected to the Internet and that your computer's date and time are correct and then select Try again.
Learn how to:
Adobe apps may display an error message stating issues with your device’s clock when you try to launch them. You may receive this message if you’ve recently reset your computer’s date and time. We recommend that your computer's system clock displays the correct date and time and is set to the correct time zone.
The message indicates that your Creative Cloud app does not launch because there appears to be a mismatch between the clock on your computer and the Adobe servers.
Time-related errors, for example, error 251, may also be displayed if you roll back the clock to extend an app trial.
Follow these steps to resolve the issue:
Ensure that you’re connected to the Internet and that your computer's date and time are correct and then select Try again.
Learn how to:
If the issue isn't related to your computer's date and time, reset the hosts file on your computer.