Firstly, make sure that you're trying to open a .log file in Moldraw. Right-click the file you want to import, select Properties, open the General tab and check the information next to the Type of file. If it is a .log file, upgrade the Moldraw software to the latest version. After that, launch the utility, click Import and from the drop-down list next to File name select the first option:

Select the .log file and then press Open. If the issue persists, use piero.ugliengo@unito.it
email address to get in touch with the support team.