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  • When updating PerfectDisk, a message is displayed saying "The upgrade patch cannot be installed by the Windows installer service because the program to be upgraded may be missing or update patch may be updating a different version of the prog

When updating PerfectDisk, a message is displayed saying "The upgrade patch cannot be installed by the Windows installer service because the program to be upgraded may be missing or update patch may be updating a different version of the prog



This message typically indicates that there is a mismatch between what Windows Installer sees in the registry for applications that are installed/what patches have been applied to a product and what actually is found on the disk drive. This mismatch can result from performing disk or registry cleaning or using System Restore to restore a computer back to a previous point in time.

Article ID: 149, Created On: 8/19/2011, Modified: 8/19/2011