Victim of counterfeiting

i think the operating system has been updated by u(knowingly or unknowingly) and the operating system is not original(pirated/cracked).
Buy an original one or use an oem version if u have got with ur machine.
The best method will be to format and reinstall the operating system and not update it.

Visit below links for more info
http://guideandtips.blogspot.com/2008/05/you-may-be-victim-of-software.html

http://guideandtips.blogspot.com/2008/05/you-may-be-victim-of-software.html

http://forums.techguy.org/windows-xp/465966-you-may-victim-software-counterfeiting.html

Thanks.
Vote if found useful.

You have to contact Microsoft to resolve the issue

Fixya cannot help with this i am afraid

The notification should allow you to go to a screen that will let you contact Microsoft.

Sorry I cannot be of more assistance

picture select right click mouse set as back ground desktob

You need to contact Microsoft.

http://www.microsoft.com/genuine/

To temporarily bypass the problem you can do a system restore to a date before you started having the problem.
If that does not work, boot to safe mode after downloading and installing HijackThis. Start Hijack this software (utility to modify registry values) and scroll down registry entries to the line that says “020 - Winlogon Nofity: Wgalogon - …” select it, and click fix checked.

If you think that your isystem is counterfeit and you had been victim of a scam you should contact the person that sold you the computer, and then contact Microsoft.
See Microsoft Help and Support.

Contact microsoft, see links below:

How and when to contact Microsoft

see also: Microsoft Software Counterfeiting?

This means the Windows Validation Tool has checked your installed copy of Windows and has found it to be a non-genuine copy. This means the product key is non valid.

Where did you get the PC? If a "friend" installed Windows for you then he is using illegal product keys.

If you are sure your Windows is genuine, you need to telephone Microsoft and fight it out with them.

sir it is possible that you got a pirated or counterfeited copy, you should reformat your drive and buy a licensed windows program. and use that to install your programs to you computer. thank you and fix ya.

So you have installed windoes and input your COA sticker from Microsoft? If this is true then you can call them to get it validated. The number I found for you is (888) 352-7140. Resolved.

As I can't offer you this solution I can anyway inform you that some tools on the web witch have WGA acronyms  can solve you problem.