Why can I not remarry with a pending VAWA?

This is not a one sentence answer. You should consult with an immigration lawyer. You may be able to marry but may have to change the way you...

Is there a way to get a legal decision on my citizenship?

You have to wait the time it takes to process.

No, this should not.

How long does a 245 i case takes

Assuming a new labor certification has to be filed in the 3rd category 6+ years.

Can i still apply for a green card?

Are you with your husband and intend to stay with him?

I wanna married but I'm scare !!!

probably not for a marriage license. You have a serious problem and should see a lawyer right away to discuss.

I'm searching for the fastest way to go back to the US with my spouse, I have a double citizenship

There is no fast way. It will take several months.

My interview date for visa is one week before my 2nd anniversary and after issuance of visa which greencard status shall i get?

I agree with my colleagues.

I agree with my colleagues. Do not start start the process while living apart. You will have problems.

How to get information over the status of a deportation that happened 10 years ago?

It may be best to contact an attorney to help you with a freedom of information act request.