Problem: Can't disassemble

 Description:
        IDA can't represent the specified bytes as an instruction.

 Possible reason(s):
        1. The specified bytes do not form an instruction.
        2. The current processor type is incorrect.

 What to do:
        If you are sure that the specified bytes contain an instruction,
        you can try to change processor type and
        mark these bytes as an instruction using the following command:
         Convert to instruction