Error code 302 indicates that your Creative Cloud app failed to update or install as you are not logged in to your system's admin account.
If prompted, enter your system admin password. Then, follow the instructions for your operating system to add or change the admin account for your device (if necessary).
Press Windows + R.
Type in netplwiz, and press Enter.
In the pop-up window, select your account, and then select Properties.
Go to the Group Membership tab, and select Administrator.
Select Apply, and then select OK.
Restart the system, and install or update the app again.
Go to System Preferences > System > Users and Groups.
Select the lock button at the bottom of the screen.
Type in a current Administrator's user name and password in the spaces provided.
Select the Allow user to administer this computer option.
Restart your device, and install or update the app again.
