Earlier versions of Dreamweaver locate the personal configuration folder in a slightly different location.
Select the root folder on the server and then choose Site Location of Adobe folder for Dreamweaver: Windows 7 and 8 ~ Files / Folders ~ %temp% C:/Program Files/Adobe* C:/Program Files/Common Files/Adobe* C:/Program Files (x86)/Adobe* C:/Program Files (x86)/Common Files/Adobe* C:/Users/[user]/App Data/Roaming/Adobe* C:/Users/[user]/App Data/Local/Adobe* Mac OS [user]/Library/Application Support/Adobe* [user]/Library/Preferences/Adobe* Note: The Library folder on Mac OS is hidden. Adobe has revamped the Dreamweaver user interface to remove features that support web technologies no longer relevant for most Dreamweaver users.Follow the separate instructions for your operating system.To locate your personal configuration folder, you must enable the option to view hidden files and folders.Locate the cache file, Win File Cache-********.dat, inside the Configuration folder, and delete it.
When you restart Dreamweaver, it will create a new cache file.
To solve the problem, close Dreamweaver and delete Win File Cache-********or Mac File Cache-********