How to Resolve Windows XP Error Code 0x80070002 Problem

The following error message may be displayed when you start your Windows XP computer:

A problem is preventing Windows from accurately checking the license for this computer. Error code: 0x80070002.

Cause of the Error

This error message is usually displayed when the following information is changed on the PC:

  • The default security provider in Windows XP, or
  • the System drive letter.

Note: These problems may be caused by any software that has the capability to change the default security provider settings in Windows XP.

Workaround Method

Depending on the problem, you can resolve the issue either by reseting the default security provider or the system drive letter.

Warning: The methods discussed here require you to make changes to the registry. Remember, the registry is an essential component of your Windows operating system and any mistake while editing it can leave your PC unbootable. This is the reason why you must always back up the registry before making any changes to it. You can easily do this by using the File > Export command in the Registry Cleaner (regedit) tool.

Reset Windows XP Default Security Provider

To reset the default security provider, you need to remove specific entries from the registry by performing the following steps:Start your computer in Safe Mode-turn on the PC, and press F8 during startup. Next, when the Windows Advanced Options menu is displayed, scroll down and select Safe Mode.

  1. Open Start menu, select Run, type regedit and then press Enter.
  2. In the Registry Editor window, locate and delete the following registry keys:
    HKEY_USERS\.DEFAULT\Software\Microsoft\Cryptography\Providers
    HKEY_USERS\S-1-5-20\Software\Microsoft\Cryptography\Providers
  3. Exit the Registry Editor and restart your PC.

Reset The System Drive Letter

To reset the system drive letter, you need to remove specific entries from the registry by performing the following steps:

  1. Start your computer in Safe Mode-turn on the PC, and press F8 during startup. Next, when the Windows Advanced Options menu is displayed, scroll down and select Safe Mode.
  2. Open Start menu, select Run, type regedit and then press Enter.
  3. In the Registry Editor window, locate the following registry keys:
    HKEY_LOCAL_MACHINE\SYSTEM\MountedDevices
  4. Edit this key to change the value of the system drive.
  5. Exit the Registry Editor and then restart your PC.

To prevent such problems from occurring, it is essential that you perform regular registry maintenance and ensure that no unauthorized changes are done to it. You can maintain a healthy and error free registry with the help of a reliable registry cleaner tool, such as RegServe. Moreover, as unauthorized changes to the registry can be done by malicious programs, such as virus, Trojans and spyware, it is essential that you obtain and regularly use reliable antivirus and antispyware programs, such as STOPzilla Antivirus and Spyware Cease to maintain a healthy PC.