You remove a prerelease version of the 2007 Microsoft Office programs. If you then try to install the original release version of the 2007 Office programs, 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.
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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.
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To work around this issue, restart the computer after you remove the prerelease version of the 2007 Office programs.
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Before you install the original release version of the 2007 Office programs, you must remove all prerelease versions of the 2007 Office programs. Additionally, we recommend that you restart the computer before you install the original release version of the 2007 Office programs.
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