Fix: Microsoft Office 2010 Service Pack 1 fails to install with error

Many Microsoft Office 2010 users have been facing problems with updating their Office 2010 installtions with Service Pack 1, even after ensuring that there is sufficient disk space.. In certain scenarios, the SP1 update has failed with errors like:


The installation of this packaged failed.

  • The installation of this packaged failed.
  • Code 78F Windows Update encountered an unknown error.
  • Error 1935. An error occurred during the installation of assembly component <component GUID> . HRESULT: 0x80131047.

Acknowledging this fact, Microsoft has now released an update which decreases installation failures for updates installed on Microsoft Office 2010.

These fixes can be downloaded here: 32-bit | 64-bit.

So if you are facing problems in updating your Office 2010 to SP1, you can install this update and try again.

Posted by on , in Category Office with Tags
Anand Khanse is the Admin of, a 10-year Microsoft MVP Awardee in Windows (2006-16) & a Windows Insider MVP. Please read the entire post & the comments first, create a System Restore Point before making any changes to your system & be careful about any 3rd-party offers while installing freeware.