Monday, September 5, 2011

Tech tip: iPhone update fixes location data

Monday, September 5, 2011

Question: I'm uncomfortable with my iPhone storing my location data. I heard that an update would fix this. When will it be out?

  • An iPhone 4 .

    By Justin Sullivan, Getty Images

    An iPhone 4 .

By Justin Sullivan, Getty Images

An iPhone 4 .

Answer: Many people were uncomfortable with the iPhone's location log. This stored more than 10 months of user location data on the iPhone. Fortunately, the update containing the fixes, iOS 4.3.3, is available. Download it through iTunes. The update limits the location storage to seven days. It prevents location data from being backed up to your computer. Finally, if you turn off location sharing, it deletes the location storing altogether. To turn off location sharing, go to iOS's Settings and disable Location Services. The upcoming iOS 5 will encrypt location data to make it secure.

Q. My TV has video-streaming apps like Netflix built-in. Do I still need to buy a separate unit to watch online video?

A. Your TV's streaming apps are designed to replace set-top boxes like Apple TV or Roku. You can watch Netflix. Just connect your TV to the Internet and start watching. But I bet your TV doesn't have every streaming service available. If you like the ones it has, you're set. To get ones it doesn't have, you will need a separate unit. Try one of the boxes I mentioned. You can also connect the TV to a computer. Many TVs have a VGA or DVI port for computers. The TV will act like a monitor. Then you can watch anything you can stream on your computer. Visit to learn more about your options.

Q. I keep hearing that I should secure my wireless network. Is an unsecured network really that big a deal?

A. Is being accused of distributing child pornography a big deal? I think we can all agree that it is. That's happened to several people recently. Pedophiles used unsecured networks to distribute and download millions of images. The network owners got visits from the FBI. That's not something you want to go through. Securing a wireless network isn't as hard as you think. Visit for thorough instructions. If you still can't get it, hire someone who can. Spending a little money now can save your reputation in the future.

Q. I heard there is a virus targeting Macs. I thought Macs were immune. What can I do?

A. Macs aren't immune to viruses; hackers just haven't targeted them much until now. That changed with the new MAC Defender. It's a fake antivirus program that targets Macs. It says your machine is infected and charges you for worthless software. You get MAC Defender by visiting malicious websites in Safari. Safari will download and run the program automatically. To stop programs from automatically running, open Safari. Click Safari>>Preferences. At the bottom of the General tab, uncheck the Open "safe" files after downloading option. You should also install antivirus software on your machine. Visit for free antivirus software.

Q. I'm trying to delete a file, but Windows says it is in use. I don't have open programs. How do I delete it?

A. You'll encounter this bug in Windows from time to time. The bug can keep files locked even after a program is closed. First, you should try restarting your computer. If that doesn't work, boot into Safe Mode. To do this, hold F8 while restarting. You should see the Windows boot menu. Select Safe Mode from the list. If the file is still locked, download Unlocker from Just make sure that you aren't trying to delete a system file. Those are locked for a reason. Deleting one could crash Windows and cause you big headaches.

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