Will someone with GreenCard and criminal history be qualified for obtaining Citizenship?

We would need more information. When did these incidents occur. Were they five years ago? Was he found not guilty or did he enter into some deal.

My I-539 just got approved to change from B2 to F1, can I transfer from my school to another one?

This will depend on each school's policies. talk to the ISO at each school first before you just do not show up for class

You can only stay 90 days under the visa waiver program. I ma not sure what you mean by associated with--what will you be doing with the university.

How do I attach missing forms to my Form I-485 ?

You can submit them separately but will have pay the filing fees for each application. I would also attach the receipt notice for your 485

Hello, my question is regarding my wife 'a H4 application with I539. Receipt date July 1st 2013. It's still under initial review

The one application has nothing ot do with the other. The processing time is in the normal range

Am I eligible for L1 visa for the company I worked for 5 year (outside US) and left 18 months back

Yes. You are eligible to work for your old employer if you worked for them outside the USA for at least 1 year in the past 36 months prior ot...

Affidavit of Support Forms?

Its the same document. I 864. You would mark it as sponsor and your joint sponsor would check that he or she is the joint sponsor

I don't think it will effect your application. Point out the error and explain the correct spelling if you don't have enough time to have your...

Hello, I want to apply for a Green Card. What is my status if my F1-OPT ended on October 1st?

You are out of status unless you have filed your -485 through marriage then your status would be "adjustment pending". In the forms you mentionits...

Is there anyway of obtaining the visa stamp in ones passport whilst still in the USA.

No you cannot