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I make an exe file on notepad, save it as a .exe and try to launch it but it says:

"The NTVDM CPU has encountered an illegal instruction"

What does this mean and how can I get a .exe file to work properly?
Sorry if this has already been asked but I could not find a thread about it.

Thanks.

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Last Post by shouvik.d
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Exe files have to follow a certain format, and not every piece of machine code forms valid instructions. Yours was broken. You'd probably want to take some source code and compile it, if you want to create an exe.

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oh god
that is the funniest think i have ever heard any one trying in my entire carrier.

dear EXE file are not created like you have tried(smart try) .You need to write some code and compile it to make an Executable.
someday you will also learn that.

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haha. Tbh, LEARN TO SPELL. LEARN TO TYPE. LEARN TO USE PROPER ENGLISH LANGUAGE. and most improtantly...


<< removed profanity >>

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<< snipped racist comment >>

Votes + Comments
hey! ppl are here to help you. not to listen to your crap comments. who the hell do u think u are
do not be a racist
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Paki Bastard

hey!

that is not appropriate!
racism will not be tolerated. This has been reported to the admin staff.

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I make an exe file on notepad, save it as a .exe

First of all nothing to ashamed of in what you have done. Let me tell you what exe file is first.
Any application(an exe) is a set of instructions which are in machine readable format. You will ask what does machine readable format mean? It means that whatever instructions or operations we have asked the exe to do are to communicate with your Operating System in order to have a perfect execution. It needs some place to first place itself which is known as Load memory area. So the Operating System has to be informed such an application has been loaded in so and so memory address please ensure proper execution.

In order to do all these we have few function calls that interact with the OS. So if you are not making an exe have those function calling mechanisms in order to let the OS know its location and what tasks it needs to it is called broken application means it is accessing some memory which is not known or registered by the OS.

So I think I could give u a brief Idea about what exe is. Now whose job it is to generate all these function calls. Do you think the Programmer writes all of it. As a matter of fact no. Programmer writes only the portion of the code that needs to carry out the task that the application is supposed to do. Then there is something called a compiler. It will then take care that all the necessary additional information (as discussed earlier) is added to the exe. Without those information the exe can't be formed. So you can now understand that Notepad cannot do such kind of operation. hence the error u faced.

Please feel free to discuss any more issues or topics you want to know. I would be very pleased to help u out.

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