CCleaner is fully compatible with Windows 10 but can sometimes encounter issues:
For example, you might receive a message like this saying This app can't run on this PC (see screenshot). This can happen during installations for major Windows 10 updates, specifically whenever there is an update for the Compatibility Assistant.
You can resolve this issue by downloading and reinstalling CCleaner using these links:
Download CCleaner from the following link (if you're a Free user):
Download CCleaner Professional from the following link (if you've paid for CCleaner Professional):
If you need to locate your license key:
Try our license key lookup tool.
Note: If you find that downloading and reinstalling does not work, you might have to uninstall CCleaner before the reinstallation.