
Some antivirus apps flag new CCleaner releases as risky. Does your antivirus software flag CCleaner as "risky" software? You can't install CCleaner in S Mode.įind out more about S Mode and how to disable it. Note: System behavior of this sort sometimes occurs if you use Windows 10 in S Mode. Note: If you're unsure what this message looks like, see the screenshots below. When it appears, click Install Anyway to continue. The app you're trying to install isn't a verified app from the Store Note: View the screenshot below if you're not sure how these options appear in Windows.Ĭhoosing the setting Warn me before installing apps from outside the Store means you still get this message from Windows: The second of the two means that Windows doesn't ask for your permission when you choose to download software: 1. Warn me before installing apps from outside the Store 2. Change your setting for the Installing Apps from Allow apps from the Store only to one of these two options below. Go to Settings > Apps > Apps & Features in Windows. You can only install apps from Microsoft Store How to change this Windows setting: The app you're trying to install isn't a verified app from the Store 2. If either one of the messages below appears when you try to install CCleaner, this means you need to change your Windows settings so you can buy or download software for free from elsewhere: 1. Does your version of Windows 10 only allow apps from the Microsoft Store? We recommend you download the latest version of our app to fix this issue:ĭownload the latest version of CCleaner. If yes, these older versions of CCleaner for Windows are not compatible with the most recent versions of Windows 10. Do you use CCleaner version 5.45 or below? These are the three main reasons why Windows 10 might block your attempt to install CCleaner.

This depends on your version of CCleaner, your Windows Store settings, or which antivirus program you use.
