cdTree VB Knowledge Solutions Rescan CD This allows you to rescan or edit the information of an existing CD/path catalog. Once this command is selected, the following dialog box will appear prompting you for the CD/path to scan and replace the existing one. For duplicates on the existing CD/path and on the new CD/path, this operation will not remove existing branch and file notes. it will, however, update the tree structure according to the new CD/path scan. you can use this command as many times as you want and as frequently as you wished to keep your catalog up to date.