Hi all If you''ve downloaded Weft QDA 0.9.5 (for windows) and are having problems with frequent crashes with the error message "Runtime Error ... pure virtual function call", please: - uninstall Weft from the start menu - go to the Weft website, download 0.9.5 again - reinstall from the new file The actual downloads of Weft QDA are provided from several different locations, and it has just emerged that some of these sources were inadvertently supplying an old, buggy copy of the installer. This may have affected anyone who downloaded 0.9.5 until yesterday. Thanks to the user who reported this problem - I would never have realised otherwise. Please do send me problems or suggestions, as often, as in this case, it''s easily fixed once I know the problem''s there. cheers alex