There are no incompatible or renamed options. Your settings are correct. But ECB must store that the ecb-settings are uptodate with 2.40. Click on [Save] to save `ecb-options-version' (2.40) into c:/Users/isoraqathedh/AppData/Roaming/.emacs. This makes a backup of this file unique named with a suffix .before_ecb_2.40. Click on [Close] to kill this buffer (do this also after clicking [Save]). For a list of the most important NEWS call `ecb-display-news-for-upgrade'! [Save] [Close]