Go to the Creative Cloud download page and select Download Creative Cloud.
Last updated on
Oct. 17, 2025
Learn how to resolve the unknown server errors when signing in to your Creative Cloud apps.
After updating the Creative Cloud desktop app, you might see an "Unknown Server Error" message when signing in to a Creative Cloud app. Follow these solutions to fix the issue.
Creative Cloud desktop app is outdated
The more recent versions of the Creative Cloud desktop app include an update that usually resolves this issue, and downloading the latest version of the app can fix the issue.
Double-click the downloaded file to begin installation:
- macOS: Creative_Cloud_Installer.dmg
- Windows: Creative_Cloud_Set-Up.exe
Follow the on-screen instructions to complete your installation.
After the installation, sign in to your apps again.
Close all Creative Cloud apps.
Navigate to the following folder:
- On Windows: C:\Users\[username]\AppData\Roaming\Adobe\OOBE
- On macOS: /Users/[username]/Library/Application Support/Adobe/OOBE/
Delete the opm.db file.
Restart your computer.
Launch the Creative Cloud desktop app and sign in again.
Creative Cloud desktop app installation is causing issues
Uninstall the Creative Cloud desktop app.
Clean up cached user login information.
Install the latest version of the Creative Cloud desktop app.
Launch the Creative Cloud desktop app and sign in again.
