Look, microsoft should be working to fix their software instead of leaving it as it is and instead making life miserable for those who want digital freedom.
This is how they are working to fix their software.
The only way to make an OS more secure is iOS style DRM walled garden sandbox lockdown.
If what you say is true, why are Android, OS X and even Linux susceptible to viruses and rootkits? For example, Java, Flash and Adobe Reader PDF exploits are all the rage now, and OS X and Linux are as vulnerable to them as Windows is.