Can I change job, while my spouse is waiting for AOS approval?

You changing employers will not affect her case.

How likely will I get arrested or rejected for entry to Europe when I have a U.S warrant outstanding. I am Canadian citizen.

Each country in Europe has its own rules about entering with a criminal record. I suggest calling the embassy of the country where you are...

Can a Swiss couple (she H1B, he J1) marry in CA. Possible in 1 day? Steps needed? Difference CA / Las Vegas / Swiss wedding?

Doesn't matter where you get married for immigration purposes as long as its a lawful marriage. You are going to have to research each place to...

I Married a u.s citizen. How can I apply for a residency ?

Your spouse can sponsor you but you will need to obtain a waiver of inadmissibility and then travel to apply for the greencard. Its possible, but...

I am F1 visa and I have problem with my status! I fail out of status because of serious problem!

You need to talk to the school regarding reinstatement, you don't say how long you have been in the U.S. You are going to have to figure out a way...

Can anyone better assist me on how to report marriage fraud? I went into a marriage thinking it was in good faith!

I am sorry this happened to you! Legally, you can report the fraud to ICE. If his LPR card is conditional (it has been two years or less since he...

Contact the US consulate in India and present the facts to them. They can issue an entry visa if appropriate. You might want to hire an attorney...

Can you travel to canada if you have a misdemeanor DUI?

You are likely to have problems being admitted. Find an attorney either in the US or Canada that specializes in obtaining waivers for DUI...

Can my wife travel internationally during the 90-day window for filing our I-751?

Yes, you can file the I-751 when she returns from Chile. She should not have problems reentering prior to the expiration of her LPR card.

Does a denied visa status have an effect on entering US?

No, as long as there are no misrepresentation issues. As you say, there is the dual intent issue and you will have to present convincing evidence...