Ive seen some pretty bad tabs on this close, ive seen dave play it, this is 100% correct
Verse/Intro
e---------------------------------------------|
B---------------------------------------------|
G---------------------------------------------|
D---------9--10-------------------------------|
A---2/8---------------------------------------|
E-1-------7--8--------------------------------|
[ Tab from: https://www.guitartabs.cc/tabs/d/dave_matthews_band/halloween_tab_ver_3.html ]
Chorus
e--------------------------------------------|
B--------------------------------------------|
G--------------------------------------------|
D--7---5---3---2-----------------------------|
A--7---5---3---2-----------------------------|
E--5---3---1---0-----------------------------|
Bridge (why do you run around here)
e--0---2-------------------------------------|
B--1---3-------------------------------------|
G--2---4-------------------------------------|
D--2---4-------------------------------------|
A--0---2-------------------------------------|
E--------------------------------------------|