Having security software on your PC is vital to protect yourself from malware and ensuring Windows keeps updated with security updates provides another level of protection. But what about vulnerabilities in other applications. F-Secure has launched a free service, the F-Secure Health Check, that scans your PC for security vulnerabilities and out of date software. It then provides recommendations on how to fix the issues it finds. I ran it on my PC and was surprised to discover how many applications needed updates downloaded from the web.
Note that currently you must use Internet Explorer to run the Health Check. Other browser support is promised.