Created attachment 111971 [details] Error itself. Windows 8.1, Kdenlive 17.12, getting this message when opening add-on install Configuration file is invalid: "kdenlive_(wipes, renderprofiles or titles).knsrc Full reinstalling doesn't work. Reproducing: 1.Open Settings. 2.Open Download new Wipes/Renderprofiles/Templates. 3.Look at left down corner and you'll see error.
I get the same error with Kdenlive 17.12.0. Seems to be fixed in version 18.04.1d. Try version 18.04.1d.