CompTIA A+ 220-1001/1002 Practice Test

Answer: B – Apps purchased from an official app store or cloud will always remain available for download. You should first try to delete/uninstall, then reinstall the app.

You don’t have to update the phone OS. It could cause other apps to stop working or needs to be updated also. Running an antivirus might not help since the problem could be a corrupted installation. The customer doesn’t have to file a warranty claim, since the problem is app-related.