You have to be cautious with these kinds of TABs. I agree with Jon PR. That one doesn't look right the whole way through the opening riff.
All this time you're cursing, and it's not even your fault!
Try playing the opening riff with only the top two strings. It sounds much better. Something like this:
e|--5--5--5--3--5---------------7--7--7--5--3--2--------|
B|--7--7--7--5--7---2x----------8--8--8--7--5--3--------|
I don't know the song myself, but I've heard it a lot. And I can get myself to recognize the melody just by playing that. (I tried it out with my wife, and she got it right away
)
Seems to me if you emphasized just those top 2 strings right at the start, people would recognize the little melody immediately, and you'd be off to the races. After that you can go right into the strumming of the fuller chords, i.e. D, A, G, whatever they are, to accompany the vocal.