You have the option of reverting the changes incorporated by the installation of a Service Pack. You can revert to the previous version of the Service Pack or to the base version of the application. Before you start the uninstallation process, make sure no application is running.
The steps to revert to a previous version are as follows.
The specified Service Pack will be uninstalled from the application. You can now continue with the screen (like uninstalling another Service Pack) or quit the tool by clicking Exit.