You receive an error message when you try to install the 2007 Microsoft Office suites Service Pack 1

When you try to install the 2007 Microsoft Office suite Service Pack 1 (SP1) from Microsoft Update, you receive the following error message:

Installation Failure: Windows failed to install the following update with error 0x80070643: 2007 Microsoft Office Suite Service Pack 1 (SP1).

When you try to install the 2007 Microsoft Office suite Service Pack 1 (SP1) from the Setup file, you receive the following error message:

2007 Microsoft Office Suite Service Pack 1 (SP1) has stopped working.

Additionally, when you try to install the 2007 Microsoft Office suite Service Pack 1 (SP1), an error message that resembles one of the following is logged in the 2007 Microsoft Office suite Service Pack 1 (SP1) installation log:

•Error message 1

Error 1935.An error occurred during the installation of assembly component {46174A62-FAFE-4BD6-9662-F9A9F588F034}. HRESULT: 0x80131047. assembly interface: IAssemblyCacheItem, function: Commit, assembly name: Microsoft.Office.InfoPath.Client.Internal.Host,fileVersion="12.0.6215.1000",version= "12.0.0.0000000",culture="neutral",publicKeyToken="71E9BCE111E9429C"

•Error message 2

Error 1935.An error occurred during the installation of assembly component {04E73476-518E-4B6A-8E10-021A00078847}. HRESULT: 0x80131047. assembly interface: IAssemblyCacheItem, function: Commit, assembly name: Microsoft.Office.Interop.PowerPoint,fileVersion="12.0.6211.1000",version="12.0.0.000 0000",culture="neutral",publicKeyToken="71E9BCE111E9429C"

Method 1

Remove the 2007 Microsoft Office suite by using the Add or Remove Programs item in Control Panel. Then, reinstall the 2007 Office suite by using the 2007 Office installation CD. To do this, follow these steps.

Remove the 2007 Office suite

1. Exit all programs.
2. Click Start, and then click Control Panel.
3. Double-click Add or Remove Programs. Note In Windows Vista, click Uninstall a Program or Programs and Features.
4. In the Programs list, click Microsoft Office Edition 2007, and then click Remove. In this item, Edition is a placeholder for the edition of Office that you installed.
Note In Windows Vista, click Uninstall.
5. Click Yes when you receive the following message:
Are you sure you want to remove Microsoft Office Edition 2007?
6. When the removal operation is complete, click Close.

Reinstall the 2007 Office suite

1. Insert a 2007 Office installation CD into the drive.
Note If your version of the 2007 Office suite is a preinstalled version, the installation CD is packaged in the white box that was included with your computer.
If you are prompted for an administrator password or for confirmation in the User Account Control dialog box, click OK, or click Continue.
2. Enter the product key.Note If your version of the 2007 Office suite is a preinstalled version, the product key is located on the back of the CD case.
3. Read the Microsoft Software License Terms, click to select the I accept the terms of this agreement check box, and then click Next.
4. Select the type of installation that you want, and then start the installation process.
5. When the installation process is complete, click Finish.

Method 2

Put a readable DVD or CD in the DVD drive or in the CD drive before you install the 2007 Microsoft Office suite Service Pack 1 (SP1).
Note We do not recommend that you use Method 2.
On some operating systems, Method 2 allows for the drive to be accessed so that the 2007 Microsoft Office suite Service Pack 1 (SP1) can be installed successfully.
However, the issue with the original invalid drive still exists. Additionally, this issue may recur when you apply future 2007 Office updates.