Erik and Bob take your computer questions. Tesla drivers in Germany are asked to return subsidy. Apple Watch and Fitbit may be hit with tariffs for China-produced goods. Waymo's autonomous-driven car division hits 8 million miles driven. How to turn off tracking by "smart" televisions. Google hit by 5 million dollar fine by European Union over Chrome web browser in Android OS. A listener has a "low disk space" warning appearing on a "recovery" drive after a recent Windows Update. The inside story on Amazon.com's "Prime Day" server crash. A listener in Georgia looks for a better way to manage his e-mail addrresses. We recommend using the Outlook e-mail program or the free Mozilla Thunderbird alternative. A caller has issus with a program from Verizon causing an error message on his computer. British Airways

"Amadeus" computer system had major "cloud" failure, stranding passengers. NASA aims for "moon space station" in the next ten years.