Quit all Adobe apps, including the Creative Cloud desktop app.
Last updated on
13 February 2026
Learn how to resolve error code 184 "File locked by another process" during Adobe app installation.
Error code 184 occurs when a required installation file is currently in use by another process, preventing the installer from accessing or modifying it.
Another application is locking the file
Close any background processes that may be accessing Adobe files.
Restart your computer.
Try installing the app again.
