I have the same problem - a code error 80070643. Can anyone help. I use Windows 7 and Microsoft 2010 (trial version)

Can anyone help. I use Windows 7 and Microsoft 2010 (trial version).

Hi DonDonaldo,

1. what windows update did you install?

2. When was the last time you were able to install updates?

3. do you have security software installed on the computer?

Windows Update error80070643 can happen for several reasons. The most common cause is a problem with the .NET Framework is installed on the computer. You can also encounter this error when installing updates for Microsoft Office 2003.

If you were installing Microsoft Office 2003 updates when you received the error, follow the instructions in the "Microsoft Office 2003" section below. Otherwise, follow the instructions in the section "Windows.NET Framework".

The .NET framework is a component of Windows that is used to build, deploy, and run programs and applications. Unfortunately, it may be damaged by some programs, viruses or hard drive problems.

To automatically repair the .NET Framework

1. click on this link:repair .NET Framework

2. in thefile download dialog box, click run, and then follow the steps in the wizard.

3. open Windows Update by clickingStart , all programsand then clickWindows Update.

4. in the left pane, clickcheck for updates, and then wait while Windows searches the latest updates for your computer.

5. If updates are found, clickinstall updates. If you are prompted for an administrator password or a confirmation, type the password or provide confirmation.

If the previous steps do not solve the problem, you can reinstall .NET Framework manually, but the steps are intended for advanced users. If you are not comfortable performing these steps, ask a friend to help you. You will find the steps in the article toreinstall .NET Framework on the Microsoft Web site.

 

Microsoft Office 2003

To resolve this problem, you may need to restart the Office Source Engine (OSE) service and try again to install the latest updates for Office products.

To restart the Office Source Engine (OSE) service

You must be logged on as administrator to perform these steps.

1 open administrative tools by clicking theStart button, click Control Panel, clicking system and Maintenance, and then clicking Administrative Tools.

2. double-click onServices. If you are prompted for an administrator password or a confirmation, type the password or provide confirmation.

3. If theOffice Source Engine service is disabled, double-click it to open the service properties.

4. click on the listStartup type , click Automatic (delayed start), and then clickapply.

5. underService status, click Start.

Windows Update error 80070643

http://Windows.Microsoft.com/en-us/Windows-Vista/Windows-Update-error-80070643

You receive an "Error 80070643" error message when you try to update Office 2003 by using Software Update Services

http://support.Microsoft.com/kb/903772

I hope this helps!

Halima S - Microsoft technical support.

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Tags: Windows

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