  We analyze the one-loop quantum entanglement entropy in ten-dimensional
Type-II string theory using the orbifold method by analytically continuing in
$N$ the genus-one partition function for string orbifolds on
$\mathbb{R}^2/\mathbb{Z}_N$ conical spaces known for all odd integers $N > 1$.
We show that the tachyonic contributions to the orbifold partition function can
be appropriately summed and analytically continued to an expression that is
finite in the physical region $0 < N \leq 1$ resulting in a finite and
calculable answer for the entanglement entropy. We discuss the implications of
the finiteness of the entanglement entropy for the information paradox, quantum
gravity, and holography.
