You should immediately seek the assistance of an experienced immigration attorney. You have not provided enough information above.

Can the court file a judgement in my name even though I have not been served?

You may or may not be able to set aside the judgment. Talk to an attorney as soon as possible. If you know that you owe the money, you also might...

Call their bluff. This debt is too old. It makes no difference that they are a nationwide debt collector.

Should my sister just ignore the Notice of Hearing for Reaffirmation Agreement or wait until to be cleared by the Court?

Have your sister call the court and inform them that the hearing is not necessary because the car has been paid in full.

What do u do if i wasn't served papers directly for a debt collection?

You have not been properly served. However, the creditor probably thinks that you still work there and they probably think that you have been...

Unless you pay all of your creditors in full or convert to Chapter 7, you must be in a Chapter 13 for at least 36 months. Therefore, it is...

Can AOS applicants apply even while USCIS suspends processing ?

AOS applications can be filed, but you should expect very lengthy delays. (Worse than normal.)

Can I continue working while Green Card is under renewal?

You should file an I-751 to remove the conditions from the permanent resident card no more than 90 days before the current card will expire. You...

How can I repay what I owe?

It sounds like they obtained a judgment against you 10 years ago. Depending on what state they obtained that judgment in, it might expire after 10...

If they cashed your check, then they accepted your application. It usually takes a couple of weeks to receive the receipt after your check is...