i went to HR block to file my taxes for 2010, as i had never done it before, i thought they would be the best person to contact. and  it seems like I owe money to IRS :( and also my employer they were charging me taxes for two different states for initial two months...until I realized and asked them why was i being charged for two states and they said "it was their mistake I can always claim it back when I file for tax return "
but now since I owe money to IRS can I claim for the refund of taxes that my employer charged by mistake ?

help appreciated .