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Windows 7: error code 643

17 Jun 2012   #1

windows 7 ultimate
error code 643

I having a popular problem 643 and I have tryied several sugestions but the problem still exist. I need some help, please.

The first of many updates that fail was on 6-10-2012 Framework4 KB2656351 plus 8 or 9 more with different numbers.

I got this information by clicking on display updates, I do not know if that is the right way to get the code name for the updates or if there is other way. If there is other way to get this information please let me know, I am a work in progress.



My System SpecsSystem Spec
18 Jun 2012   #2

Windows 7 Home Premium 32 bit

It is a generic error code.

Typically, this means that an update was not installed. It is caused by a corruption in the .NET Framework installation or by an inconsistency on the MSI database state.

Please mention which update is exactly causing this error.
My System SpecsSystem Spec
18 Jun 2012   #3

Microsoft Community Contributor Award Recipient

Microsoft Windows 7 Home Premium 64-bit Service Pack 1

If it is a .NET corruption I noticed this link posted by A Guy earlier today. Download: .NET Framework Repair Tool - Microsoft Download Center - Download Details
My System SpecsSystem Spec

18 Jun 2012   #4

Windows 7 Home Premium 32 bit

And if it is a Silverlight update causing this, uninstalling Silverlight can be frustrating.

Try this: Backup your Registry, Search (Edit/Find) for silverlight.msi and you will find this key HKEY_CLASSES_ROOT\Installer\Products\D7314F9862C648A4DB8BE2A5B47BE100

Delete this key , and also delete all silverlight folders in programData and program files, restart. Download Silverlight Microsoft Silverlight and reinstall.
My System SpecsSystem Spec
18 Jun 2012   #5

Windows 7 HP / Ultimate x64

Hi there,

As pointed out by other members, your post isn't specific enough.

When does this occur? What does it refer to? Complete details of the error code?

You'll need to give us more information, before we can point you in the right direction.

For starters, try the suggestions here: Windows Update Error Code 643 - Vista Forums
My System SpecsSystem Spec

 error code 643

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