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Last updated on
Jul 30, 2025
Learn how to resolve error code 304 "The installation is no longer functional" during Adobe app installation.
Error code 304 indicates that the installation is no longer functional.
Solution
You can resolve the issue by downloading and installing the latest version of the Creative Cloud desktop app. If it doesn't resolve the issue, install the latest digital certificates manually.
Download the latest version of Creative Cloud desktop app
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If the download doesn't start, select Restart download to try again. If the download doesn't start, select Restart download to try again. -
Double-click the downloaded file to begin installation:
- macOS: Creative_Cloud_Installer.dmg
- Windows: Creative_Cloud_Set-Up.exe
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Follow the on-screen instructions to complete your installation.
NoteThe Creative Cloud desktop app always installs in the default location. You cannot specify a different folder or drive.
Install the latest digital certificate
Download and extract the certificates, and install them in the Trusted Root certification authority.
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Download the latest certificates:
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Once the certificates are installed, update or install your app again.
