While most people regard CCleaner's Registry cleaner as better than other random ones online, you still don't need to use it. In fact, if a Registry cleaner is too zealous, it can actually cause more problems than it solves. While orphaned entries and other minor problems do occur in the Registry over time, there is no good evidence that cleaning the Registry will speed up your computer. This section is simple: you don't need to use Registry cleaners. On Applications, you can clear temporary data for other browsers as well as apps like Steam, VLC, and TeamViewer.Ĭheck everything you're interested in cleaning and hit Analyze to see how much space your action will save. The Windows section has Edge and internet Explorer browser data, as well as Windows files like log data, thumbnail caches, and emptying the Recycle Bin. But now, are these problems cleaned up? And further, is CCleaner even worth using?

Have a look at our guide to replacing CCleaner for more history and information.Īll of these factors made it feel more like an unwanted program than something that benefits your computer. On top of this, CCleaner's free version regularly nags you to upgrade to the paid version. That update also made CCleaner difficult to close through standard methods.įinally, in 2018 the app also started ignoring users' preference to disable automatic updates. This is fairly standard, but the problem was that when you turned the setting off, it re-enabled itself upon a reboot. Later, the company introduced an 'Active Monitoring' feature that collected anonymized data about your usage. The 32-bit app version on CCleaner's website was hacked, adding a Trojan to the download, which the company thankfully caught before it became widespread. In case you're not familiar, CCleaner's issues started in 2017 shortly after developer Piriform was bought by Avast.

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