information about the log file can be found in the Basic Troubleshooting article.
codeplex is the only place where our files are hosted.
I suggest create a static test.html file and put it in the /Setup folder then try to request it from the browser as /Setup/test.html to verify that the site you are updating is the site serving requests you are viewing
verify that under /Setup/applications/mojoportal-core/SchemaUpgradeScripts/mssql there exist script files going all the way up to 2.4.0.9.config