Q: Microsoft announced a problem with its Internet Explorer browser. We were all cautioned not to use it. Has that problem been solved or are we still cautioned not to use it?

—John Wall, Peachtree City

A: Microsoft issued an emergency security update on May 1 that fixes the bug in several versions of the Internet Explorer browser. The bug allowed hackers to take control of computers with versions 6 through 11 of the browser. If automatic updates have been turned on, the patch was downloaded to your browser.

For more information, go to microsoft.com/security/pc-security/updates.aspx or technet.microsoft.com/library/security/ms14-021.

A Microsoft response team spokesman wrote: “While we’ve seen only a limited number of targeted attacks, customers are advised to install this update promptly. For those manually updating, we strongly encourage you to apply this update as quickly as possible.”

Q: How many white players are on the Atlanta Hawks’ roster and what is the percentage of whites in the NBA?

—Fred Crigler, Roswell

A: There are three white players – Kyle Korver, Mike Muscala and Pero Antic — on the 15-man roster posted on the Hawks' official website. Antic is from Macedonia and Gustavo Ayon is from Mexico. Black players comprised 76.3 percent of NBA rosters in 2013, followed by white players at 19 percent, Latin players at 4 percent, and Asian players and other races at less than 1 percent each.

Andy Johnston wrote this column. Do you have a question about the news? We’ll try to get the answer. Call 404-222-2002 or email q&a@ajc.com (include name, phone and city).