The Operating System : Reliable & Secure

The operating system, typically the "Windows" operating system is the core software running on the computer. Everything, every application runs on top of the operating system.
When you run applications, you want them to be:

• reliable, which means the applications performs well and does not crash,
• secure, which means that your data is safe.

Some application are more reliable and secure than others, but it is important to keep in mind that the maximum level of reliability and security you can reach is determined by the operating system.
In other words, if there is any bug or any security issue in the operating system, it potentially affects all applications as well.

The Operating System needs Updates

Microsoft produces the "Windows" family of operating systems since decades. Of course, they invest a lot to make sure the systems are as reliable and secure as you might expect. Indeed, these systems are used by home users, but also by large companies with very strong requirements.
However, modern operating system are complex and there are always remaining issues, always new enhancements to add or bug to fixes. Just like cars need maintenance or repair every once in a while.
For this purpose, Windows 7 proposes updates. We can say, in a few words, that there are 2 kinds of updates: the recommended one and the optional ones.
It is always good to update your operating system with the latest recommended update... that's why they call it "recommended" !
Moreover, updates can now be installed automatically, without any worry for the user. Please check below how to verify that automatic updates are turned on.

Automatic Updates

• Go to "Start" menu
• Select "Control Panel"
• Select "System and Security"
• Select "Windows Update"

From there, you can see the currently proposed updates, and also you can access to "Change Parameters" to turn on/off the automatic updates.