Windows XP stores the hardware configuration information of the computer at the time of activation, product activation state status, expiration info of the XP installation, and the current hardware specification in WPA.DBL file which located in %SystemRoot%\System32 folder. To secure the WPA.DBL file, Microsoft encrypts the file with RC4 algorithm. However, WPA.DBL file is not protected, and if user deletes it, user will have to … Continue reading Backup and Save the Windows XP Activation Status (WPA.DBL) to Reinstall Without Activate Again