How to solve the problem that CCleaner update does not work
The CCleaner update not working issue is not as big as it sounds and can be easily solved by following the steps below:

If CCleaner does not work or the application does not update to the latest version, first restart the computer and try running the application again. If the update not working issue is due to a temporary software glitch, then you will be surprised to see that the CCleaner not working now issue is no more.

How to fix CCleaner update not working problem?
Here are the steps you need to take to fix the CCleaner update not working problem.

Step 1: If CCleaner does not update to the latest version of your system, please reboot your system and run the cleaning application again.

Step 2: One of the main reasons the update fails is that the name of the signing certificate does not match the name of the publisher.

Step 3: The name of the signing certificate must be the same as the publisher to successfully update the CCleaner application.

Step 4: The problem can be easily fixed by updating CCleaner by going to the main website.

Step 5: In case you have installed Malwarebytes premium security application on your, downloading such malware protection software may lead to CCleaner update not working issue. To fix this issue, you will need to disable ransomware protection for a while.

Step 6: To do this, you must first go to Settings, Protection, Real-time Protection, and then Ransomware Protection.

Step 7: Deactivate the module by moving the toggle button to the left.

Step 8: In case the problem persists, uninstall and then delete all CCleaner related files on your system.

CCleaner automatic update does not work
If CCleaner does not update automatically, there is a possibility that the automatic update feature within the application is disabled.

Therefore, to fix this problem, first make sure that the automatic update function is enabled within the CCleaner application. If it is disabled, navigate to the main page of CCleaner and then click on the Settings icon in the left side panel. Now check the box that says "Check for CCleaner updates automatically".

Once done, restart the application for the changes to take effect.

Also, make sure the settings, Important Updates or Emergency Updater is enabled.

To do so, go to the Updates option and then check the box that says "Apply these updates automatically" found under the Important Updates section.
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