User Guide Cancel

Fix errors installing Adobe apps

Trouble installing or updating your Adobe app? Quickly find solutions to common download, install, or update errors.

Type the error number or title below to find your error and see common solutions.

Find your error

Error code C304: The installation is no longer functional

Error code C304: The installation is no longer functional

Error code C304 indicates that the installation is no longer functional. If solution 1 doesn't resolve the issue, try solution 2.

Solution 1: Download and install the latest Creative Cloud desktop app version

Download the latest version of the Creative Cloud desktop app and try again.

Solution 2: Install the latest digital certificate

Download and extract the certificates, and install them in the Trusted Root certification authority.

Download

Download

Once the certificates are installed, try to update or install your app again.

Get help faster and easier

New user?