Some apps or software might have been discontinued and should be removed entirely. If you have older apps you haven't updated in a while, have a look around in their menus and see if there's an update available. This is a sure-fire way to create vulnerabilities on your PC. That, or you might casually click 'Ignore' every time you're prompted (we've all done it).

Many apps don't prompt you to update them. Once those updates stop, your PC is wide open to certain kinds of attacks.

Programs that can access the internet, directly or via other programs, need regular security updates to keep ahead of enterprising hackers. Not only is outdated software often useless, it can also be dangerous to have installed on your computer. Adobe Flash and Internet Explorer are important ones to remove, but there are some other common culprits.Some safe apps aren't pushy about updates, so you should be proactive.Outdated apps can be risky to keep on your computer as they don't receive important security updates.

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