Look in the Messages section of the task assistant to see if the backup succeeded or if there are any errors you need to address before trying to run the command again.

查看任务助理的Messages部分，检查是否成功地备份了数据库；如果有任何错误，那么解决问题，然后再次运行命令。

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Use the backup task assistant to back up your system.

使用备份任务助手备份系统。

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That same Verizon Wireless advantage also includes access to the exclusive apps like VZ Navigator for turn-by-turn navigation and maps with millions points of interest, Backup Assistant Plus to store your contacts and sports apps including one for football aficionado.

ENGADGET: Verizon to offer Nokia Lumia 822 for $100 and HTC Windows Phone 8X for $200, both to go on sale by Thanksgiving