When you try to activate Windows 8.1 Professional on a Surface Pro 3 or Surface 3 device, you receive the following message when you try to activate the system:
The Error Details link displays error code 0xc004c0033. This code indicates that the activation server determined that the specified product key is blocked.
If you run the Cscript.exe %windir%\system32\slmgr.vbs /dlv command, you get the following result:
The product key doesn't work. You might need to get in touch with the store or company you bought Windows from, or you can buy a new key from Microsoft.
The Error Details link displays error code 0xc004c0033. This code indicates that the activation server determined that the specified product key is blocked.
If you run the Cscript.exe %windir%\system32\slmgr.vbs /dlv command, you get the following result: