The most direct fix is to end any tasks that might be locking the installer's resources.
Residual data from a previous failed installation or corrupted installer files can block the new process. adobe error code 501
Error code "501" when trying to install adobe apps. | Community The most direct fix is to end any
Download and run the official Adobe Creative Cloud Cleaner Tool . This utility removes corrupted installation records and files that standard uninstallers might miss. 3. Clean Registry and AppData (Windows) adobe error code 501
Open the Activity Monitor and force-quit all unnecessary background apps and processes. 2. Use the Creative Cloud Cleaner Tool
Another application or an older version of an Adobe app is using the files the installer needs to modify.