Sun Java Enterprise System 5 Update 1 Release Notes

On Windows, uninstallation of some Java ES patches requires Sun Java(TM) Enterprise System 5.msi (6594140)

When you try to uninstall some Java ES 5 Update 1 patches, an error message appears, indicating that Sun Java(TM) Enterprise System 5.msi is not in its original installation location, C:\t\Windows.

Solution Download Java ES 5 and unzip it into the installation location mentioned in the error message. Then, after uninstalling the Java ES patches, you can delete the downloaded and unzipped files.