Credit: Upgrades to Windows 10 can make it appear as if files are missing -- but Data Doctor's Ken Colburn has the fix.

Column: Windows 10 upgrade deleted my files

D.C. attorney general talks online safety with middle schoolers

A preview of CES 2016

Nearly 2/3 of Americans’ eyes suffering from screen use, report finds

D.C. brings concussion app to sidelines of youth sports

FCC: Cable broadband Internet speed triples, DSL stays flat