Please advice

You would need to apply for a new visa to come back legally. There are myriad different types.

Any arrest can affect a DACA case. Consult with an immigration attorney for all legal requirements.

H1B extension with approved I-140?

Consult with your company's immigration counsel; or an outside counsel of your own choosing if seeking a second opinion.

My girlfriend is here in United State, she has student visa and I am a Us Citizen, anyway she can stay here permenently?

If you marry in the US, she should be able to file for adjustment of status to the green card without leaving the country. It takes approximately...

Immigration, COS H4- H1- H4, no spaystubs, stepping out of US for fresh H4

Complicate questions like this should be addressed in the context of a formal consultation with an immigration attorney. Seriously.

Any US Citizen may petition his or her spouse for a green card.

240 day rule with 3 month H1B extension

If you are already up against the 6th year and no exceptions apply, then you run the risk of getting an approval in 5 months that expires at the...

Can I go yo a uscis civil sergeon and get the medical before sending the i1485 to uscis?

Yes.

How to file removal of conditions of green card while petitioner is on bootcamp?

Your wife would not be prohibited from signing the petition, even is she is at bootcamp. Get it signed and file before the card expires, or risk...

Form I-131

She must be in the US in order to apply for a reentry permit. Consult with an immigration attorney for solutions.