An attempt was made to write to a write-protected disk or to access a locked file. This error has the following causes and solutions:
Open the file for Input or change the write-protection attribute of the file.
Remove the write-protection device from the disk or open the file for Input.
Wait to open the file until the other process releases it.
On 32-bit Microsoft Windows systems, a user must have the correct permissions for access to the system registry. Change your permissions or have them changed by the system administrator.
For additional information, select the item in question and press F1 (in Windows) or HELP (on the Macintosh).