Yes, she is in the wrong. She cannot legally file a joint tax return without your signature upon it, and even for electronic, there is a signature...

Is there/will be any problems claiming a girlfriend on taxes?

If you claim her as a dependent, she must have lived with you for at least six months, not just a "few months." You must be providing at least half...

Can I file joint tax return if my wife has abandoned me and not able to get hold of her.

If your wife will not sign a joint return with you, you have no choice but to file as Married Filing Separate. You cannot file a joint return...

How many allowances should I include on my W2?

The IRS has a tool to help make the determination. http://apps.irs.gov/app/withholdingcalculator/

If you are told that you can itemize and to enter state or local taxes in one box or general taxes in another.

The law is set up this way because if you deduct the tax you pay to the state, then you are excluding it from your federal income in the previous...

Texas determine community income in year you were married.

Generally, income earned by a spouse prior to marriage is considered separate property.

Who do i call about a holding on my income tax check

The easiest way to check on the status of your IRS refund is "Where's My Refund?" - go to http://www.irs.gov/Refunds.

Not legally Seperated Tried filing taxes but I have no way of knowing my spouses income

Married Filing Separate typically should not require you to report your spouse's income, just the name and SSN. The exception may be community...

I've been offered a lump sum from a private disability insurance policy. How would it affect my taxes

It depends. More information is needed. I hope this web link can answer your...

Is there more of a tax benefit from renting out your house as a sole proprietorship, or as an LLC with one owner?

This question is too complex to address in this forum. You should consult with a qualified tax attorney or CPA. Many offer free consultations.