Click Yes, I want to telephone a customer service representative to activate Windows, and then click Next. Click Change Product key. Type the new product key in the New key boxes, and then click Update.
Portable Media Serial Number Service (WmdmPmSN) Defaults in Windows XP
Retrieves the serial number of any portable media player connected to your computer. If this service is stopped, protected content might not be down loaded to the device.
|Display name:||Portable Media Serial Number Service|
|Path:||%SystemRoot%System32svchost.exe -k netsvcs|
Portable Media Serial Number Service is a Win32 service. In Windows XP it won't start until the current user starts it. When the Portable Media Serial Number Service is started, it is running as LocalSystem in a shared process of svchost.exe. Other services and drivers are allowed to run in the same process. If the Portable Media Serial Number Service fails to start, the technical information about the error is added to the Event Log. Windows XP startup should proceed, but a message box should be displayed informing the user that the WmdmPmSN service has failed to start.
Restore Default Startup Configuration for Portable Media Serial Number Service
1. Run the Command Prompt.
2. Copy the command below, paste it into the command window and press ENTER:
Windows Xp Serial Number Finder
sc config WmdmPmSN start= demand
Windows Xp Check Serial Number
3. Close the command window and restart the computer.
Windows Xp Serial Number
The WmdmPmSN service is using the mspmsnsv.dll file that is located in the %WinDir%system32 folder. If the file is changed, damaged or deleted, you can restore its original version from Windows XP installation media.