Error 204 installing CC Desktop App

You will need to uninstall and reinstall the application.

If you wish you may follow steps :

1) Click on the Finder and look for the options listed next to Apple Icon located at the top left corner of the Desktop screen and click on "Go" menu button and select "Utilities" option.

(Applications>Utiliites)

Locate Adobe Creative Cloud and Adobe Application Manager folder under Utilities window and trash both folders.

2) Trash Adobe Creative Cloud from Applications well.

3)

1) Right click on Finder icon and  select "Go-ToFolder " option.

2) You will get a text box, type-in below command and then hit 'Return' key.( Do not miss ~ symbol)

~/library

3)Then navigate to Application Support>Adobe.

Open Adobe folder and trash folders named AAMUpdater and OOBE.

4)

1) Right click on Finder icon and  select "Go-To" Folder option.

2) You will get a text box, type-in below command and then hit 'Return' key.

/library

3)Then navigate to Application Support>Adobe.

Open Adobe folder and trash folders named AAMUpdater ,Adobe Application Manager and OOBE.

5) Click on the below link and download & run Adobe Cleaner tool :

Select the option "Adobe Application Manager for Mac OS X 10.6" and then click on "Clean up Selected" .

https://helpx.adobe.com/content/help/en/creative-suite/kb/cs5-cleaner-tool-installation-pr oblems/_jcr_content/main-pars/accordion_container_1/accordion-par/accordion-item-1/accordi on-item-par/procedure/proc_par/step_3/step_par/download/file.res/AdobeCreativeCloudCleaner Tool.zip

6) Click on the below link and downlaod Adobe Application manage and install the same .http://download.adobe.com/pub/adobe/creativesuite/cc/mac/ApplicationManager9.0_all.dmg

once the installation process is completed , the installation box will disappear .

Then open Applications folder and look for Adobe Application Manager icon .

Double click on it , it will start update process and gets updated to Creative Cloud application.