I am French citizen. i would like some info on how to get a visa to do business in the state of Colorado.

If you are coming into the U.S. as an investor, it should be on an E visa. Marijuana is still illegal under U.S. law even if individual states do...

A K3 might get her here a few weeks faster, but will costs you thousands more, since she will need to file for adjustment of status after she arrives.

Conditional green card 2 months ago through a my US citizen wife. How am I gonna remove my conditional card?

Yes. File the forms on time and submit proof of your relationship.

If I am married to illegal immigrant will it hurt me or him when I apply for citizenship ?

I have never seen USCIS uses the N-400 for leads on locating undocumented residents.

GC in EB2- Currently on L1-B

It depends if your I-94 gave an erroneous date, or not. There is a time limit for L1's so it also depends on how long you have had that status. ...

Can i postpone my i751 interview because my husband need a divorce and reflie on my own

A proper answer would be far more complicated than is proper in this forum. See a lawyer.

How long does immigration keep a undocument student in Tijuana to ask for forgiveness ?

There is no 10 year bar if you are under 18. Multiple, illegal entries do have a 10 year bar and no waiver.

I am Syrian and I am run way from backup military service and the Syrian security threats my wife and she is pregnant

Yes.

I am a K1 Visa holder,and my fiancee told me that he's not ready to be married with me, what should I do?

You made a huge mistake getting engaged to him, do not compound that mistake. You should leave the U.S., you have virtually no options here.

Immigration

I do not understand your complaint, there is no requirement to file the I-360 with an I-485.