Unexploded Remnants by Elaine Gallagher

An A.I. wages war on a future it doesn’t understand.
Alice is the last human. Street-smart and bad-ass.
After discovering what appears to be an A.I. personality in an antique data core, Alice decides to locate its home somewhere in the stargate network. At the very least, she wants to lay him to rest because, as it turns out, she’s stumbled upon the sentient control unit of a deadly ancient weapon system.

Convincing the ghost of a raging warrior that the war is over is about as hard as it sounds, which is to say, it’s near-impossible. But, if Alice fails and the control unit falls into the wrong hands, the balance of power her side of the Milky Way could fall apart. As Alice ports throughout the known universe seeking answers and aid she will be faced with impossible choice after impossible choice and the growing might of an unstoppable foe.