Each month, Microsoft issues a bunch of security patches for Windows. Among the bugs fixes last week was one which has apparently been present since Windows 95, which launched some 19 years ago. It's still present in all current versions of Windows, and can allow anyone to gain remote access to your computer under certain conditions.
If your PC isn't configured to download and install all updates automatically, now is a good time to check that all patches on your system are up to date. And even if you are certain that the patches have been installed, there's no harm in checking to be sure. Just head to the Control Panel and look for Windows Update.
Just to reiterate - this isn't something you should postpone. Now that details of the vulnerability are out in the open, hackers are actively scanning the internet in the search for unpatched computers. So do yourself a favour and make sure yours isn't one of them.
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