If you are facing Error 501, do not simply click "Retry." This will likely redownload the same corrupted package. You must perform a surgical cleaning of the system. Here is the industry-standard protocol.
(Ctrl+Shift+Esc) and end all tasks starting with "Adobe" or "Creative Cloud." Activity Monitor , search for "Adobe," and force quit all related processes. 5. Reinstall Using the Adobe Cleaner Tool adobe error code 501
Only disable security software temporarily and while downloading directly from Adobe.com. If you are facing Error 501, do not simply click "Retry
Note that this will log you out and remove local app shortcuts, but your installed apps (Photoshop, etc.) may remain. However, it’s safer to back up your presets. If you are facing Error 501