“This seems like a great question to ask of the CCleaner team, as they should be aware of the bugs/problems their software has or has not introduced over time,” Microsoft employee DrPeppy explained. So is CCleaner no longer an app that can improve system performance? Is there an issue with its registry cleaner that's causing issues on Windows 10? But with the arrival of Windows 10, CCleaner was originally flagged as incompatible and removed during the upgrade process from Windows 7 and 8.1 computers.Īn update to CCleaner fixed the problem and made it fully compatible with Windows 10, but then a number of users reported issues with Cortana and other OS features after installing the app. The CCleaner sagaĬCleaner is generally considered one of the best apps of its kind, as it provides a rich set of tools to keep a Windows computer in tip-top shape. Registry cleaners and system optimization tools have been around for a while, and millions of users turned to them to boost the performance of their Windows computers.īut with the arrival of Windows 10, fewer users are actually interested in such apps, as it seems that Microsoft has more or less improved the operating system up to a level where third-party optimization solutions are no longer needed.Ī long discussion on reddit questions the performance of CCleaner on Windows 10, as the app has been intensively criticized lately, with a Microsoft employee who posted in the thread explaining that bugs and compatibility issues were the ones responsible for the “new” bad reputation of this tool.

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