Go to Start > Control Panel > Programs > Uninstall a program (Windows)
Navigate to /Applications/Utilities/Adobe Installers/ (macOS)
Troubleshoot the issues that may arise while uninstalling Adobe Creative Suite 5.5 or CS5 applications.
The Adobe Creative Suite 5 and CS5.5 uninstaller displays three panels, or screens, as it works:
Go to Start > Control Panel > Programs > Uninstall a program (Windows)
Navigate to /Applications/Utilities/Adobe Installers/ (macOS)
Decide whether you want to deactivate the product.
Select the Remove Preferences checkbox if you want to remove the product(s).
Select Uninstall.
For assistance with any error messages that occur before you select Uninstall, analyze the PDApp.log that the installer/uninstaller creates. Learn how to troubleshoot CS5 and CS5.5 installation with install logs (cpsid_84451).
After you select Uninstall, the uninstallation progress bar appears. The deactivation is processed.
Select the Processes tab, select a conflicting process, and select End Process.
Press Command + Option + Esc.
In the Force Quit Applications window, select the conflicting application and select Force Quit.
If the installation completes successfully, the Finish panel displays a thank-you message.
If the uninstallation fails, the Finish panel displays the title Uninstallation Status and the message, “There were problems with your uninstallation.” This message means that some or all of the components did not uninstall properly. Select Troubleshooting to display any error messages or codes.
To troubleshoot uninstallation failures, try the following, in order.
Search the knowledgebase for errors, if you haven't already done so.
Use any additional information that appears below the error message to search for a solution in the Adobe Knowledgebase.
a. Select the error information and press Ctrl + C (Windows) or Command +C (Mac OS) to copy it.
b. Visit the Adobe Support website and choose your product from the Select Product Support Center menu.
c. Paste the error text into the Search The Knowledgebase field and select Search.
Run the Adobe Support Advisor.
The Adobe Support Advisor is an AIR app that helps identify and resolve installation issues. Select the Customer Support link in the Uninstallation Status window, or select Adobe Support Advisor, to use it. You can leave the Uninstallation Status window open while you run the advisor. Learn more about using the Adobe Support Advisor (ASA) (kb405816).