Windows XP failed authentication - what should I do? How to remove the message “You may have purchased a counterfeit copy of the software. This copy of Windows is not authenticated

Requirements.
The article is applicable for Windows XP.

Information.
This message appears if you are using an unlicensed (pirated) version of Windows and the application is installed on your computer KB905474 - Windows Genuine Advantage Notifications.
KB90547 is a Windows Authentication Result Notification tool for Windows XP. It notifies the user if the copy of Microsoft Windows XP is not genuine. Notifications only appear on computers that have failed the Windows authentication process and are running a non-genuine copy of the Windows XP operating system. (description from the Microsoft website).

If your Windows has not passed the test, then your computer will have a black desktop and a banner message like this will hang at the bottom right:

We remove the message “You may have purchased a counterfeit copy of the software. This copy of Windows has not been authenticated."
1. In the “Start” menu, select “ Execute«;
2. In the field " Open» type the command regedit and click "OK";

The window “ Registry Editor«.

3. In the registry editor window, go sequentially through the registry branches:
HKEY_LOCAL_MACHINE\ SOFTWARE\Microsoft\ Windows NT\CurrentVersion\ Winlogon\Notify\ WgaLogon

This subsection will have 20 parameters:

4. Make a copy of the registry key WgaLogon(so to speak, just in case):
Export«.
In the “Export Registry File” window, in the “File name” field, enter WgaLogon and press the button " Save«;

5. Now delete the partition WgaLogon:
To do this, right-click on the section and select the menu item “ Delete«.
When asked to confirm deletion, click the “ Yes«;

14. Close all windows and restart the computer.

If you have an unlicensed version of Windows XP installed and its automatic update is configured, then one day, when you turn on your computer, you may see the following message in the lower right corner: “You may have purchased a counterfeit copy of the software. This copy of Windows has not been authenticated."

This means that along with other updates, an update has been installed for you KB905474. It notifies the user that their copy of Windows XP is not authenticated. And now this message will appear every time you boot your computer.

There are several ways to get rid of the message, but perhaps the easiest is to make small changes to the registry.

Go to “Start” – “Run”. We are recruiting regedit and click “OK”. In the Registry Editor window that appears, follow the following path: HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\WgaLogon

That's exactly the folder WgaLogon we have to remove (only her). To do this, right-click on it and select “Delete” – “Yes”.
Now restart your computer and the message will disappear.

I also recommend disabling it in Windows after this. automatic update. To do this, right-click on “My Computer” – “Properties” – “Automatic Updates” tab. Here we put a checkmark next to “Disable automatic updates” - click “OK”. You can also disable the service of the same name. Go to “Start” – “Control Panel” – “Administration” – “Services”. In the list of Windows services that appears, find “Automatic Updates” - double-click on it and in the “General” tab select “Startup Type – Disabled”. Click “Apply” – “OK”.

There are several ways to get rid of the message, but perhaps the easiest is to make small changes to the registry.

Go to “Start” – “Run”. We are recruiting regedit and click “OK”. In the Registry Editor window that appears, follow the following path:

That's exactly the folder WgaLogon we have to remove (only her). To do this, right-click on it and select “Delete” – “Yes”.
Now restart your computer and the message will disappear.

Let me give you a simple explanation first. After booting your computer with Windows XP, the wallpaper changes to a black screen and in the lower right corner you can see the message: "You may have purchased a counterfeit copy of the software. This copy of Windows has not been authenticated." The easiest way to get rid of the error is to run the following commands:

REG DELETE "HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\WgaLogon" /f shutdown.exe /r /t 5 /c "Don"t panic. The system will reboot in 5 seconds."
or the same thing, but with your hands:

"Start" > "Run..." > Type "regedit.exe" and click OK.
On the left in the tree, select the branch "HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\WgaLogon".
Right-click on the "WgaLogon" element and select "Delete".
We restart the computer.

Now for a more complex explanation. This problem occurs if you install the KB905474 (Windows Genuine Advantage Notification) package with updates and your operating system is not licensed.

CurrentVersion\Winlogon\Notify\WgaLogon

How to clear the authentication message in Windows XP.

Let's launch the registry editor, this is - (Start - Run - regedit - Enter)

Next we find the registry section
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\WgaLogon

After this, delete the entire WgaLogon section (those in doubt can first make a copy of this section)

We reboot the system

After rebooting, the authentication message will disappear.

How to clear the authentication message in Windows 7

As for Windows 7, we remove it using the program RemoveWAT21 .

Download this program (you can search for it on the Internet)

Remove old activation

Activate again

And remove authentication forever

Detailed instructions are described in the program itself; the entire operation takes place in just three clicks.

How to authenticate Windows 7, XP

What needs to be done to remove the annoying notification? Based on the above, the answer suggests itself - delete or rename the files responsible for the notification. Also when installing an update KB905474, the system has created copies in the cache, which are located at the following address:

WINDOWS\system32\DllCache\ (WgaLogon.dll, WgaTray.exe)

which can also be deleted.

You can also solve the problem with the notification by making some changes in the Windows registry. The key responsible for the operation

Notices are located in the register at

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\
CurrentVersion\Winlogon\Notify\WgaLogon.

We go to the registry via Start → run, dial the command regedit and, penetrating along the branch to the key

WgaLogon, delete it.

When working with the registry, you need to be extremely careful not to make irreparable mistakes. For those who have no experience or are simply afraid of these manipulations, the program will come to the rescue Autoruns, which gives access to the registry and all processes running in it. Let's launch Autoruns, go to the tab Winlogon, uncheck the box next to the key WgaLogon, close the program and reboot. In the presented case, this key is not available, because Fortunately, the system is not affected by this muck. Also, by clicking on the tab Everything, you can gain access to all processes running in the system by cleaning

From malware and banners.

For dessert - another option. We find located by

\Windows\system32\drivers\etc\hosts

open it with

Notepad and enter the following line at the bottom:

127.0.0.1 mpa.one.microsoft.com

Then, having opened access to hidden folders, delete the following file

Documents and Settings\All Users\Application Data\
Windows Genuine Advantage\data\data.dat.

After this, by going to Windows Update, you can update without any problems.

After the operations have been completed, you need to restart the computer. That's it, now your Windows functions like new.

Articles

What to do if you see the following message: this copy of Windows is not authenticated, (also called the black screen of death). Of course, those who have a licensed version of the OS do not have to worry. It is not at all necessary to completely remove the operating system; it is enough to follow the advice. There is always a way out and we will activate (revive) the OS again, be it Windows XP or Windows 7.

In fact, all this is done by a small utility that poses virtually no danger, but only prevents images from running on the desktop screen - it assumes that your system is unlicensed and tries to tell you about it. In this case, a couple of files are registered in the system in the WINDOWS\system32\ folder directory:

">

WgaTray.exe, 329 KB in size, which actually triggers the notification itself

and the file WgaLogon.dll, 231 KB in size.

Remember one thing! After installing any non-licensed Windows, do not update the system, but uncheck the “update” box and there will be no problems.

But if it appeared on the desktop " black screen", with the inscription:

You may have purchased a counterfeit copy of the software

This copy of Windows has not been authenticated

Moreover, such a message constantly appears every time the system boots.

Well, let's try to return everything to normal. To do this, we will be interested in the section in the Windows registry:

CurrentVersion\Winlogon\Notify\WgaLogon
How to clear the authentication message in Windows XP.

Let's launch the registry editor, this is - (Start - Run - regedit - Enter)

Next we find the registry section
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Wi ndows NT\CurrentVersion\Winlogon\Notify\WgaLog on

After this, delete the entire WgaLogon section (those in doubt can first make a copy of this section)

We reboot the system

After rebooting, the authentication message will disappear.
How to clear the authentication message in Windows 7
As for Windows 7, we remove it using the program RemoveWAT21 .

Download this program (you can search for it on the Internet)

Remove old activation

Activate again

And remove authentication forever

Detailed instructions are described in the program itself; the entire operation takes place in just three clicks.
How to authenticate Windows 7, XP
What needs to be done to remove the annoying notification? Based on the above, the answer suggests itself - delete or rename the files responsible for the notification. Also when installing an update KB905474, the system has created copies in the cache, which are located at the following address:

WINDOWS\system32\DllCache\ (WgaLogon.dll, WgaTray.exe)

which can also be deleted.

You can also solve the problem with the notification by making some changes in the Windows registry. The key responsible for the operation
Notices are located in the register at

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\
CurrentVersion\Winlogon\Notify\WgaLogon.

We go to the registry via Start → run, dial the command regedit and, penetrating along the branch to the key
WgaLogon, delete it.

When working with the registry, you need to be extremely careful not to make irreparable mistakes. For those who have no experience or are simply afraid of these manipulations, the program will come to the rescue Autoruns, which gives access to the registry and all processes running in it. Let's launch Autoruns, go to the tab Winlogon, uncheck the box next to the key WgaLogon, close the program and reboot. In the presented case, this key is not available, because Fortunately, the system is not affected by this muck. Also, by clicking on the tab Everything, you can gain access to all processes running in the system by cleaning
From malware and banners.