Time Capsule Sparsebundle could not be accessed error is one of the most common issue for Mac OS X user. Time machine is one the most significant utility provided by Apple Mac. It allows the users to easily backup and restore their important data in a very hassle free manner. But like any other utility it can also Malfunctions under some critical circumstances and causes emergence of Time Capsule Sparsebundle could not be accessed error on Mac. Occurrence of this very error in Mac system bound the users to use the Time machine utility any more. It can also leads to unexpected data inaccessibility issue. Due to this whenever users try to use time machine or restore any previously created backup, an annoying error messages appears on the screen showing Time Capsule Sparsebundle could not be accessed. It is a very hazardous issue and can not be resolved manually unless you got some high level technical expertise. In such situation best way to troubleshoot this problem is to format the entire Mac system completely. Formatting the Mac system will absolutely cause loss of your entire data but it will also fix Time Capsule Sparsebundle could not be accessed for sure. However you data can be retrieved from formatted hard drive using an effective third party tool.