Sandbox errors may temporarily break specific OS X application functions
To fend off attacks and faulty programming, Apple has implemented sandboxing routines to manage what system resources applications have access to. While the sandboxing process should allow the applications to run as intended by the developer, sometimes an odd bug or configuration error may result in random breaks in functionality.
For example, TextEdit is one of the sandboxed programs that Apple includes in OS X. Sandbox entitlements allow it to save to the filesystem and accept keyboard inputs, among other features, so you can use the program to create documents and edit them. However, if a sandboxing error involving one … Read more