To avoid sending unwanted license status notifications to customers, such legacy licenses that do not appear to have been used for a long time may also be deactivated. Most customers with such licenses have upgraded to a subscription license or are using the free version of CCleaner instead. Older non-subscription licenses purchased prior to 2018 and with a maintenance agreement that ended prior to 2019 are no longer supported and do not have access to any of the CCleaner Professional features that were released after the maintenance agreement expired, such as Software Updater, Health Check, Driver Updater or Performance Optimizer. Please see Why am I being asked to renew CCleaner? for more information and how to resolve this. You can either renew your licence, purchase a new licence from or use CCleaner as a free version instead. This means the time period in which your license was valid has ended, so you are no longer eligible to use CCleaner Professional features in CCleaner. If your license status is ‘License Expired’ or you're asked to renew your license If you have also unknowingly purchased a counterfeit license from an unauthorized reseller, please contact us at so we can help you.

License keys can also be deactivated at your request, in the event of a refund or return, for being used on more devices than licensed for, or for software piracy. Subscription-based licenses that expired a long time ago may also be deactivated to stop ongoing renewal reminders. If you are unsure which is your current license key that you should be using, you can find it using the License Lookup Tool.

Usually this is because you have upgraded to a newer license and need to enter that license key instead - using the Options > License Key or My Account > Activate License menu options inside CCleaner. There may be a few reasons why your license has been deactivated. If your license status is ‘License Deactivated’ or 'License Disabled' You can see your license status within the CCleaner app (see the top grey bar, over to the left). If your version of CCleaner no longer works as it used to (for example, you have lost access to some features), it may have either expired or deactivated.

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