netzero.com technical support taken money out of my credit card account 3 times in one day, Internet

i signed up for netzero was having problems with the cd not letting me get on the internet at all times .

was able to for about 4 days. called netzero told them my problem they swithced me to get help/ they talked me through how to get on netzero.

had to try twice. i am not smart when it come to computers.

i signed up for internet service with netzero.

i recieved mycredit card bill they charged me 46.80 on 12/14/09

then again  was charged 13.65. understand this charge its for internet.

then another charge 7.97 on 12/12/09.

i dont understand why i was charged an extra 54.77 for them helping me to use there cd to get signed in. i would like my money put back please. you are suppose to get free live help .