there was no response from the Finder

there was not enough memory

there is an error in the file permissions

there are too many files open

AddResource failed

a file already exists by that name

the disk is full

the directory is full

that operation is not valid on a directory

there is no default volume

an error occurred

you do not have the correct access

a directory was not found

it is in use

the volume it is on is locked

it is locked

the volume it is on is locked by hardware

the file could not be found

the filename is not valid

an I/O error occurred

the volume it is on cannot be found