Can i cancel my I-539 change of status and start petition of spouse of permanent resident?

Do not cancel your change of status. You husband can start petitioning for you and it will take about 2 years for you to be eligible for a...

Can the only joint sponsor household member do form i-864a ?

Yes, you can use the income of the join sponsor' spouse. She will need to file an I-864A.

You don't need to submit an affidavit of support (join sponsorship) to remove conditions in your greencard.

If he apply for green card while on probation would he be denied. Thanks

Yes, it could get denied as a matter as a matter of discretion. I would recommend waiting until may. Otherwise you run the risk of being denied,

Pending asylum & voting

I would not recommend voting. The government can use this as evidence of you availing yourself to the protection of your government. I recommend...

Filing I-130 for my parents

You should use his real name and put an explanation of the discrepancy.

I am so sorry this is happening to you. You should consult with an immigration attorney as you could have several options. Also, we need to know...