Fix Office 2010 Service Pack 1 (SP1) Installation Errors

Written By Sam on 6 August 2011
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Microsoft has earlier released Office 2010 SP1 which can be downloaded and installed to get the latest updates for Office 2010. Office 2010 Service Pack 1 includes previously unreleased fixes that were made specifically for this service pack along with all the public updates that were released through June 2011, and all the cumulative updates that were released through April 2011. But sadly there were some users who are getting errors while installing Office 2010 Service Pack 1 and to solve those errors Microsoft has released an update for Microsoft Office 2010 which decreases installation failures for updates installed on Microsoft Office 2010.

Issues Fixed by Office 2010 Update

When you install Microsoft Office 2010 Service Pack 1 (SP1) by using Microsoft Update, you may receive the following error message:

Code 78F Windows Update encountered an unknown error.

If you download and install the SP1 package from Microsoft Download Center, you may receive the following error message:

The installation of this packaged failed.

The Officesuitewwsp1-x-none_msplog.log file that is generated during the installation contains an error message that resembles the following:

Error 1935. An error occurred during the installation of assembly component . HRESULT: 0x80131047.

This update fixes the error message that is reported during the product reinstallation from the Add or Remove Programs item in Control Panel. SP1 does not have to be installed for the error message to appear.

This issue may occur if the Windows Installer encounters a reference to a drive that no longer exists, or to a removable media device that contains no readable media. For example, this issue may occur when the Windows Installer encounters a reference to an empty DVD or CD drive.

To resolve this issue, download and install the following update before you install Office 2010 SP1.

Download Office 2010 32-bit update package

Download Office 2010 64-bit update package

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