The topics of this document fall into one of two general issues. Tip: Sometimes it’s OK if an item can’t be moved to or from a certain location. Mac OS X restricts access to some folders (including Applications, Library, and System) to preserve the integrity of the operating system and user data.
Issue 1
If you try to move a file in Mac OS X 10.2 or later, this message appears: “The operation could not be completed because the item ‘(item name)’ is locked.”
If you try to modify an item’s permissions, this message may appear: “The operation could not be completed. An unexpected error occurred (error code 1).”
This issue might occur if you copy one volume to another by dragging its icon over the other’s, or to one of its windows, for example.
Issue 2
An alert box appears with one of these messages:
* “The operation cannot be completed because you do not have sufficient privileges for ‘(item or folder name).’”
* “The item ‘(item name)’ could not be moved because ‘System’ (or other folder name) cannot be modified.” More …