How to Resolve Locked File Error When Saving From Photoshop
Error is due to computer permissions that need to be adjusted.
To mark an application to always run as an administrator, do the following:
On the Start menu, locate the program that you want to always run as an administrator.
Right-click the application's shortcut, and then click Properties.
In the Properties dialog box, click the Compatibility tab.
Under Privilege Level, select the Run This Program As An Administrator check box, and then click OK.