If your girlfriend had no legal right to the money, you may be able to bring an action against her to recover the funds. You should consider...

Enforcing I-864 in a state court where I live rather then where the sponsor lives.

This question would be better suited for a family law/matrimonial law attorney. Good luck!

You should use the correct spelling of your mother's last name. This should be a bar to completing your AOS.

Applying for green card through marriage/arrest records

Your girlfriend's criminal record should not negatively impact your application as the interviewer will attempt to determine whether your marriage...

Do I need to obtain a lawyer??

If you've exhausted your options at the ssa office, yes, it may be in your best interest to retain an attorney to look into this for you. Good luck.

Will I have problems traveling out of the US with my greencard if they're are misdemeanors on my record.

I agree with my colleague, without a review of tour criminal record, it would be difficult to advise against the advice given by an attorney who...

My uncle applied PR file for my family. can he cancel it particular for one member?

Yes, your uncle can withdraw his I-130.

Are a green card and a marriage certificate enough to change my name on my social security card?

Yes, your marriage certificate should be enough.

Can I travel to my home country a month before my H1B expires for 2 weeks without getting H1B stamped while on a valid I-797?

Yes, you should not have a problem traveling with your current H1b visa stamp.

More information is needed to properly assess your situation. However, I suggest you consult with the company's attorney regarding RFE.