Tekno Mw3 Error

Hey guys now i keep getting this, kernel32.dll missing error so this is what i have done

1. download the kernel32.dll, try to replace in system32 folder it didnt allowed me
2. re installed SP 3 for Wind xp it didnt work,
3. i restart my pc, it didnt work
4. I download dll fixer it didnt work
5. i try to register dll with cmd it didnt work
6. i try to rename/delete /replace kernel32.dll it doesnt allows me

so how can i play mw3 tekno??

Update to Windows7.
(Not even kidding, XP isn't supported.)

but i was able to play it before from tekno, but now i cant. so you are saying their launcher has updated to wind 7?