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Critical Updates

Operating System Updates

During the course of the lifetime of an operating system, various security flaws will be discovered. These flaws can range from web pages running incorrectly to a person being able to use your computer remotely.

As these flaws are discovered, and before they are exploited the operating system manufacturer release updates to fix them. The manufacturer may also release updates which improve operating system reliability, or add extra features.

We strongly recommend that you ensure you have all these updates installed on your computer. Further details on how to do this are explained below.

Microsoft Windows

We strongly recommend you have that you use the Automatic Update facility for Microsoft Windows.

If Automatic Updates is not turned on, or you have not updated you computer for a while please visit Microsoft Update to ensure your operating system is fully up to date.

Apple OS X

If you have an Apple Macintosh and you need to check if your operating system is missing any security updates please follow these instructions.

More Information

For more information on keeping a Windows Computer secure, please visit Microsoft Security at Home .

For more information on keeping a Apple Macintosh secure, please visit Apple Product Security.

Modified 07/03/2017