The main configuration file for BOINC is cc_config.xml, found in the BOINC data directory. It contains settings for the BOINC core client. After altering the configuration file, it can be reloaded using Read config file in the Advanced menu of BOINC Manager. The default cc_config.xml looks like this: http://www.worldcommunitygrid.org/download.php?xml=1 http://www.worldcommunitygrid.org/download.php http://www.ibm.com/ 120 This example includes all the logging flags set to their default values. Use this as a base if you need to enable additional debugging messages.