Update files are larger then full client.

...Now the last time this happend I re installed the game like 4 times and then it worked, this time
I try to re install the game like 8 times and still hasnt worked.

So what do I do to fix this problem, I tried completely turning off Norton.....I I love you >.<♥I love you >.<♥I love you >.<♥in hate Norton.... and still hasnt worked....
What do I do?!

I R computer stupid so pl0x help me D:

&IR mad.