My case was expunged and it shows up on a background report back to 1992?

In California true expungement does not exist in the sense that your record is not wiped clean. Instead there is a change of plea and a new line...

Can I claim my security deposit back ?

This is a small claims matter (most likely). See my legal guide on this topic: https://www.avvo.com/legal-guides/ugc/california-security-deposit

Its unclear what "actual damages" you would sue to recover. I would write the corporate office and inform them of what happened.

I missed my court date because i was very sick and in an emergency, and the case was dismissed. I want ask the judge reconsider

You not state what kind of case it was. Please repost with more details.

Do not pay the civil demand. See: https://www.avvo.com/legal-guides/ugc/shoplifting-demand-letters-in-san-mateo-county

I miss to pay my fixing ticket. Someone is calling me n harassing me?Can they do that

I am not sure what a "fixing" ticket is.

Can I record video in my home without anyone's consent??

Be careful, this potentially is a violation of California Penal Code sections 630-638 (Electronic Eavesdropping). Among other things, this law...

Can can I sue a store or one of his employees for intimidating and questioning me and not accusing that I was stealing and humi

This is better handled with a letter to the corporate office and a Yelp review. A law suit probably will not be worth the time and expense.

What should I do????

I agree. This is a civil demand letter, and I advise do not pay...

Bay Area Legal Aid offers some help with landlord tenant issues including eviction.