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004183D0     8B4424 04      MOV EAX,DWORD PTR SS:[ESP+4]
004183D4  |. 48             DEC EAX                                  ;  Switch (cases 1..2)
004183D5     74 0A          JE SHORT av200man.004183E1
004183D7     48             DEC EAX
004183D8     75 1D          JNZ SHORT av200man.004183F7
004183DA     B8 34BF4200    MOV EAX,av200man.0042BF34                ;  ASCII "Authorization key is invalid!"
004183DF     EB 05          JMP SHORT av200man.004183E6
004183E1  |> B8 18BF4200    MOV EAX,av200man.0042BF18                ;  ASCII "Serial number is invalid!"; Case 1 of switch 004183D4
004183E6  |> 85C0           TEST EAX,EAX
004183E8  |. 74 0D          JE SHORT av200man.004183F7
004183EA  |. 6A 10          PUSH 10
004183EC  |. 68 C8924200    PUSH av200man.004292C8                   ;  ASCII "Error"
004183F1  |. 50             PUSH EAX
004183F2  |. E8 FF6F0000    CALL <JMP.&MFC42.#4224>
004183F7  \> C2 0400        RETN 4                                   ;  Default case of switch 004183D4
004183FA     90             NOP
004183FB     90             NOP
004183FC     90             NOP
004183FD     90             NOP
004183FE     90             NOP
004183FF     90             NOP