H1B petition Expiry?

You probably need a new H1B. Your company attorney is in the best position to advise you.

IIf my spouse has overstayed by a week on a tourist visa, will she have to pay a fine?

No fine will be charged. However, a longer overstay will affect her ability to renew her visa.

Based on you immigrant petition pending, you won't be approved for any nonimmigrant visas such as an F1.

[immigration question] Marriage based I-485 Employment start date wrong...green card interview scheduled..Can I fix it??

Be honest at your interview.. When you are applying based on marriage to a USC, unauthorized work shouldn't be an issue.

I had a traffic ticket back in 2004 that i didn't know about, would that affect getting my green card?

Generally a moving offense such as that won't affect your immigrant application.

While on OPT STEM, can I file for H1B and H4 at the same time?

Yes you can apply for H4 based on your spouse's valid H1B status

How do I correct this ?

You can correct the name with the NVC. When you receive the NVC welcome letter, you should contact them.

Have applied U visa on september 2016 while being in USA,but in 2018 january left United states of America when to file waiver?

This question is too complicated for a forum like this. More facts are needed. You should consider a private consultation with an immigration...

Can a Theft Under 100 or In Park After Hours affect me on getting my license?

Not typically. I agree with the previous answer. You should be fine.

Best way to withdraw neutralization application N- 400.

Send a withdrawal letter to USCIS. Attach a copy of your N400 receipt notice.