Fix it using the following article from Microsoft:
Manually remove the script that interferes with Windows activationImportant 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:
Before you startTo complete these steps, you must have the following:
Step 1: Start the computer in safe mode
Step 2: Start Registry EditorClick Start, click Run, type , and then click OK.
Step 3: Remove the RESETS registry subkey
Step 4: Modify the registry to deactivate Windows
Step 5: Rename the corrupted Windows activation file
Step 6: Determine the CD or DVD drive letter
Step 7: Replace the corrupted Windows activation file
Microsoft (R) File Expansion Utility Version 5.1.2600.0 Copyright
(C) Microsoft Corp 1990-1999. All rights reserved.
Expanding d:\i386\wpa.db_ to c:\windows\system32\wpa.dbl. d:\i386\wpa.db_:
2222 bytes expanded to 2126 bytes, -5% increase.