Only you need to run these commands in cmd.
e.g. subst v: "\\10.10.10.10\MyRemoteDirectory"
e.g. subst x: "D:\MyBackupDirectory"
to delete it;
subst v: /d
e.g. subst v: "\\10.10.10.10\MyRemoteDirectory"
e.g. subst x: "D:\MyBackupDirectory"
to delete it;
subst v: /d