 It's been tied to a software update sent out by cybersecurity firm CrowdStrike. Mike Dabusky, ABC News. CrowdStrike says it could take anywhere from hours to they don't know how long before it's all fixed. At the Republican National Convention, Donald Trump last night accepting his party's nomination, talking of the near assassination last weekend and calling for unity. As Americans, we are bound together by a single fate and a shared destiny.