Which is right?

[yunakim]

I am confused the usage of "in order (not) to".

My sentance is as follows:
~~ in order for the file not to spread on P2P systems.
^^^^

But somebody told me "in order for the file to not spread" is right.

Could you teach me which is right?

 

[Soup]

Written English: not to spread
Spoken English: to not spread

 

[yunakim]

Thanks.

 

[jirikoo]

Written English: not to spread
Spoken English: to not spread

With respect for you I think is incorrect. Its always "not to spread".
Negative usually comes before infinitive. Maybe someone may ever use the other connection in a colloquial language but its grammatically wrong.