One of the great features in Windows Phone 8.1 is the ability to restore from a backup when setting up a new device. Everything from your Start screen layout to the apps themselves and even some settings can all be 'restored' if you ever change devices, or wish to hard-reset and start anew.
However, a few people have noticed that under Settings > Backup, there is an error message noting that the last backup attempt has failed. Even more worrisome, you may not even know it. Yikes! The good news is there is a fast and simple way to get this fixed, and you may want to double check that your OS is backed up. Here's how.