matmug115 has the answer. It worked for some people. Others still have the issue.
Found the culprit, I had also installed an app called menumeters, when I uninstalled, the error message disappeared.
via Apple – Support – Discussions – Error 256 when doing a backup ….
I have never seen this error message before. Have you?
Vague Computer Error FAIL – Epic Fail Funny Videos and Funny Pictures. Is this a real error message? Its hard to believe someone would program this.
In this thread there are 2 solutions.
This happens for 3 reasons.
- You are unable to complete a purchase from the iTunes Store.
- You cannot play content you purchased from the iTunes Store.
- An alert appears with the following text:
“There was an error storing your authorization information on this computer. The required directory was not found or has a permission error.”
via iTunes: Missing folder or incorrect permissions may prevent authorization.
