When you start Microsoft Windows XP, you may receive the
following error message:
A problem is preventing Windows
from accurately checking the license for this computer. Error code: 0x80070002.
This issue can occur if one of the following conditions is
- The default security provider in Windows XP has been
- The system drive letter has changed.
The security provider issue has been reported with Dell
computers on which the Dell Assistant software is installed. NOTE
This issue can be caused by any software that changes the
default security provider. It is not limited to Dell computers or to the Dell
This section, method, or task contains steps that tell you how to modify the registry. However, serious problems might occur if you modify the registry incorrectly. Therefore, make sure that you follow these steps carefully. For added protection, back up the registry before you modify it. Then, you can restore the registry if a problem occurs. For more information about how to back up and restore the registry, click the following article number to view the article in the Microsoft Knowledge Base:
How to back up and restore the registry in Windows
To work around this issue, use the appropriate
Reset the default security provider in Windows XP
To reset the default security provider in Windows XP, delete the
relevant registry keys in the Windows registry. To do this, follow these steps:
- Start the computer. Press the F8 key during startup to
start the computer in Safe mode.
- Start Registry Editor (Regedt32.exe).
- Delete the following registry keys in the Windows registry:
- Quit Registry Editor.
- Restart the computer.
Reset the drive letter of the system drive
Use Registry Editor to change the drive letter of the system drive back to
its original value. Edit the following registry key to change the value
of the system drive:
For additional information and steps detailing the exact procedure to rename the system drive letter, click the following article number to view the article in the Microsoft Knowledge Base:
To Restore the System/Boot Drive Letter in Windows
has confirmed that this is a problem in the Microsoft products that are listed
in the "Applies to" section.
The third-party products that this article discusses are manufactured by
companies that are independent of Microsoft. Microsoft makes no warranty,
implied or otherwise, regarding the performance or reliability of these