How to solve the error 16 bit ms-dos subsystem (minecraft)? Whenever i open my minecraft launcher i get this ("the ntvdm cpu has encountered an illegal instruction.CS:0561 IP:011f OP:65 63 75 72 69 choose (close) to terminate the application Guest ↓Related posts Can anyone solve this minecraft mod error? - 1 I opened minecraft with shiginima launcher v4.100 and an error occurred, someone knows how to solve it? Is it possible to get 64 bit programs on a 32 bit Windows 7 system? I have a 64 bit pc. Should I have the 64 bit java? How to change my Java (32 bit) to Java (64) on my Windows 8 i7 64-bit?