Guest aljuhdi Posted May 10, 2014 Posted May 10, 2014 I have bought a new lenovo laptop without OS preinstalled and then bouth a Windows 8 Pro Eng Intl 1PK DSP OEI. I have successfully installed Windows 8, but when I try to activate it give me an error code 0xC004C003 The activation server determined that the specified product key has been blocked. I already try to browse from this community about this kind of error, but there is no solution for me. Is it caused by a secure boot or UEFI or something like that I don't know about? I have tried to disable secure boot, uefi enable and other in BIOS, but it didn't success. I have read about description in DVD box, that my Windows 8 is a system builder version, but i still don't get it how to use. Continue reading... Quote
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