Error 1923: Office Source Engine could not be installed
Installation of the original release version of the 2007 Office programs may fail to complete and display the error given below, if you start the installation immediately after removing the prerelease version of the 2007 Microsoft Office programs.
Error 1923: Service 'Office Source Engine' (ose) could not be installed. Verify that you have sufficient privileges to install system services.
Cause of the Error
This problem usually occurs if some other program on your computer is using an Office 2007 prerelease file that needs to be removed from your computer, in order to install the release version of Office 2007.
Workaround Method
A simple workaround the problem is that you restart your computer after removing the prerelease version of Office 2007. Moreover, you must ensure that before you start the installation of Office 2007 programs on your system, all programs, components, and add-ins of the prerelease version are completely removed from your system.
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