Fix error

This error appear when you try to install 2007 Microsoft Office over a prerelease version, and indeed the installation is not completed successfully. Additionally, you receive the following error message:

Error 1923: Service ‘Office Source Engine’ (ose) could not be installed. Verify that you have sufficient privileges to install system services.

This issue may occur if another program is using a file that must be removed when you remove the prerelease version of the 2007 Office programs.

To fix this error, you should first uninstall all preleleased version of Microsoft Office, and then restart the computer.