Status adjustment

Other than marriage to a US citizen or possibly asylum I'm not seeing anything here unfortunately.

A way to change my status

I agree with counsel Behar. There may be other options such as asylum depending on circumstances.

K1 Visa, after marriage

Hi there. Don't worry, you can stay in the U.S. while your case is pending. Always keep copies and receipts of what you filed so you can prove it...

Can I go on leave of absence if I 485 is denied?

As long as you are not receiving any compensation - which benefits may or ma not be - it should be ok to accept the leave of absence. I agree with...

Basically the translator needs to say something to the effect of, "I (name) attest that I am fluent in (English and Arabic) and that I have...

Speak to your attorney. Terminated is not always the same as "administratively closed."

Spelling Mistake in Passport First Name will cause any issue for a Stamped Visa?

You can try to correct the error by renewing with corrections. Be truthful should anyone ask. I doubt there will be any immediate problems but down...

What are the legal steps I can take when my I 485 got denied due to USCIS/admin error

I agree with my colleagues. An immigration attorney can assist you.

Time to hire an immigration attorney to assist you with both of these matters.

Been working on H1B visa for company B since 1st April, 2013. Previously I was on L1A from company A, Is H1 to L1A possible?

Possibly.