Going to bed last night I clicked on the update button, expecting to just get a virus definition update. Instead I got the update to Win 10 version 1809. I wasn't expecting this so soon. Thus far no problems. Win 10 1809 installed successfully on both my Dell 3010 (i5 ivy bridge) and Dell E6420 (i5 sandy bridge). The update did need defrag to be run as it showed 10% frag on the 3010 and 12% frag on the E6420.