Are spouses of permanent residents who are abroad banned from seeking visas?

You may very well be subject to the ban. It covers immediate family for legal permanent residents.

Can I use the I485 adjustment of status with an approved I130?

The I-485 is only available to those who already present in the United States.

Can I apply green card for my parents now ?

I would send in the application but the "ban" does involve green cards issued at the consular level. The I-130 petitions do, however, take time...

Can a person remarried after 4 years of separation?

There should not be any issues. Unless there is something you are not telling us, this really is not anything out of the ordinary.

Approved petition filed for married daughter, but Petitioner no longer alive?

In this case you need write a humanitarian letter explaining why they should allow a new sponsor to substitute for the deceased one.

As long your marriage was entered into in good faith you may have a chance to get your permanent green card. Also the question must raised whether...

It should not be a concern, unless the marriage is later deemed a sham.

When the new york immigration court will resume non detained heraring ?

It is currently closed due to COVID but some are suggesting it will open back up on July 6, 2020 although that has not been confirmed. So there is...

Will this affect my US CITIZEN SPOUSE - AOS GREENCARD process and result in deportation ?

It will probably not be a deal breaker but you may experienced enhances scrutiny of your application based on the prior investigations. If they...

What does it mean the issuance of new green cards will also remain halted through the end of the year?

No, it appears that this is an extension of the green card "ban" that was enacted in April. This means that people attempting to get green cards...