For the items marked as Insecure, how do I upgrade to the new, secure version?
You can click the Solution button from within the Secunia PSI on the Scan Results tab, which in the majority of cases will link to either an executable file with the patch, or the vendor’s download site. Some applications can be automatically updated with the PSI – for these applications the auto-update should be the easiest method around. Other programs have the ability to update themselves. If possible, use this functionality. Otherwise you can contact the vendor to obtain the patch.