GDPR

• What is GDPR?
• How does GDPR affect me?
• What data is stored about me and where does it come from?
• What changes have you made to ensure compliance with GDPR?
• I would like to request a copy of the data that you hold about me. How do I request this?
• I want to edit the data you hold about me, or request that it is deleted. How do I do this?

Getting Help

• ★ Why do I see a message that says 'CCleaner Free is for home use only’ or ‘CCleaner Free is not free for commercial use?'
• Restarting Windows in Safe Mode
• How do I take a screenshot?
• Where can I get the latest versions of Piriform products?
• Where do I send bug reports & feature suggestions?
• Getting assistance if you don't speak English

Support Account

• I've lost my product license key
• What do I get from Piriform's Priority Support?
• Is my purchase secure?
• Can I use Piriform products in my Business?

General

• ★ CCleaner for Windows system requirements
• Why am I being asked to renew CCleaner?
• You have released an accessible version of CCleaner for desktop. When will a screen-reader compatible versions for other CCleaner tools be available?
• How often should you run CCleaner for Windows?
• Why do you no longer support Windows XP or Vista?
• Which versions of CCleaner work with Windows XP or Vista?

Licenses and Subscriptions

• ★ How many computers can I install CCleaner Professional Plus on?
• ★ How long is my license valid for?
• ★ How many computers can I install CCleaner Professional on?
• How can I view the license in use in CCleaner?
• Can I renew CCleaner early?
• Will I lose any time on my subscription if I take an offer to renew early?

Health Check

• Why do I receive error 0x80040c01 when running Health Check?
• Why are there so many "trackers" found in Health Check? Should I be worried?
• What does Health Check do?
• Can I try Health Check for free?
• How can I clean using Health Check?
• I’m using Health Check but prefer CCleaner's original way of cleaning. How can I set that as my default cleaning method?

How To's

• ★ How do I stop Windows 10 from blocking my installation of CCleaner?
• ★ How do I use CCleaner for Windows’ Duplicate File Finder?
• ★ How can I restore Registry backups?
• ★ What is Active Monitoring?
• What are Important Updates and how can I control them?
• I had a CCleaner Professional or Professional Plus license. Why has my license been deactivated?

Advanced

• Why does CCleaner v5.70 have an "Offers" section in the privacy settings window?
• Using CCleaner's Drive Wiper
• How do I deal with stubborn Windows Registry entries?
• How do I deal with a stubborn file that refuses to be cleaned?

Troubleshooting

• ★ Why is CCleaner asking to close the Edge Cache Database even though Edge is closed?
• ★ Why is Chrome cleaning being skipped?
• ★ How to register and activate CCleaner Professional
• Why is Smart Cleaning "stuck" on in CCleaner 5.74
• Are automatic updates now included with CCleaner Free and if so, are you providing additional features for Professional users?
• Why have I been updated to CCleaner v5.74?

General

• What is Drive Health?
• Using Defraggler to benchmark your drive
• How do I download Defraggler?
• Recommended usage for Defraggler

How To's

• How to speed up Defraggler
• Scheduling Defraggler
• Using Windows to eject removable media
• Defragging multiple drives

Advanced

• ★ Defraggler and SSDs
• Types of defrag and optimization
• Looking for further technical information about Defraggler?

Troubleshooting

• Problems activating or registering Defraggler Professional?
• I've defragged and now I've got less Free Space

General

• How do I download Recuva?
• How does Recuva work?
• I've deleted some files by accident - HELP!

How To's

• Using the Recuva Wizard
• Using Deep Scan for those hard to find files
• Using Recuva's Advanced Mode
• Recovering Your Files
• How can I recover photos?
• Repairing Microsoft Word files

Advanced

• Looking for further technical information about Recuva?

Troubleshooting

• Why can’t Recuva recognize and/or scan my drive?
• Problems activating or registering Recuva Professional?

General

• How do I download Speccy?

How To's

• Sharing your Speccy data with someone else
• Finding information in Speccy

Advanced

• What is the “Serial Number” shown in Operating System?
• Looking for further technical information about Speccy?

Troubleshooting

• Problems activating or registering Speccy Professional?

About CCleaner Browser

• What are CCleaner Browser's download requirements?
• How does CCleaner Browser protect my security and privacy?
• What tools are included in CCleaner Browser?
• How can I get CCleaner Browser?
• What is CCleaner Browser?

Getting started with CCleaner Browser

• How can I import bookmarks and other settings from my other browsers?
• How do I make CCleaner Browser my default browser?
• How do I change the browser's language?
• How can I customize CCleaner Browser?

How to use CCleaner Browser

• How do I use the Adblock tool in CCleaner Browser?
• How do I reset CCleaner Browser settings to default?
• Can I use CCleaner to clean CCleaner Browser?
• Is CCleaner Browser compatible with other browsers?
• How do I clear my browsing history?
• How do I reset CCleaner Browser settings to default?

About CCleaner for Mac

• ★ CCleaner for Mac system requirements
• How do I download CCleaner for Mac?
• What files does CCleaner for Mac clean?
• Is CCleaner for Mac available from the Mac App Store?
• CCleaner for iOS

How to use CCleaner for Mac application

Troubleshooting

• How can I fix the error "CCleaner.app can't be opened because Apple cannot check it for malicious software"?
• Run CCleaner for Mac debug

Download and Installation

• What are the system requirements for CCleaner Android?
• How can I download and install CCleaner Android?
• How can I uninstall CCleaner Android?

Trending

• What happens when I tap the Analysis button on the main screen of the app?
• What does a CCleaner Android Pro subscription include?
• Why does the Clean scan run slowly or pause mid-progress?
• Can I exclude apps from the effects of Booster?
• How can I customize or disable the notifications I receive from CCleaner Android?

Clean

• What happens when I run a Clean?
• How can I ensure important items are not deleted during a Clean?
• Can I restore files that are deleted during a Clean?
• Why does the Finish cleaning button show such a low amount of removable space?
• Why is the Thumbnails category unticked by default?
• Why does CCleaner Android request permission during a Clean process?

App Manager

• What is the App Manager?
• How can I delete unwanted apps from my device?
• What is app data and what are the consequences of deleting it from my device?
• How can I delete app data from my device?
• Why don't certain app caches appear in the App Data section?

Booster

• What is Booster?
• How long do the effects of the Booster feature last?
• Is it harmful to stop an app with Booster?

Premium Features

• How do I use a CCleaner for Android activation code?
• How can I subscribe to CCleaner Android Pro?
• How can I restore my subscription for CCleaner Pro for Android?
• Can I use my CCleaner Android Pro subscription on more than one device?
• How can I activate a previously purchased CCleaner Android Pro subscription on an alternative device?
• What is Scheduler?

General

• Why do I need to grant the Usage Access permission to CCleaner Android?
• What does CCleaner for Android do?
• How do I download CCleaner for Android?
• How does CCleaner for Android know what files to clean?
• Why do I need to grant the In-app Purchases permission to CCleaner Android?
• Why does CCleaner for Android require permissions?

About Kamo

• Kamo System Requirements
• What is Kamo?
• What is a digital fingerprint?
• What is online tracking and how does it affect me?
• How am I leaving tracks online?
• What are cookies?

Kamo Product Setup

• How do I install Kamo?
• How do I activate Kamo?

How to use Kamo

• How can I find out which websites are attempting to track me?
• How do I protect my browser with Kamo?
• How do I install the Kamo extension on Mozilla Firefox?
• What is a Privacy Score?
• How can I clear cookies?
• How can I clear browsing data?

Kamo Troubleshooting

• Troubleshooting when Kamo blocks or slows down webpages
• Troubleshooting when Kamo cannot detect tracking activity
• How do I resolve the error code '-1073741502' when installing Kamo?
• Why did I receive the error message 'The activation code could not be found'?
• What should I do if Kamo disappears from my PC after reboot?
• Why did I receive an error message telling me that Kamo is running?

FAQs

• How often does Kamo change my digital fingerprint?

Premium Tech Support: the basics

• What do I get as a Premium Technical Support customer?

Premium Tech Support: technical questions

• What languages is Premium Tech Support available in?
• What is Live Chat?
• What is Priority Email?
• What is Remote Access?
• Can I access these services all the time?
• Can I use Premium Technical Support for Mac, iOS, Chrome OS or Android?

General

• CCleaner Network Professional overview
• CCleaner Network licensing
• Recommended System Requirements
• Communication Requirements - Ports
• What do the different colored Endpoint icons mean?
• How is the Health calculated?

How To's

• How do I change language in CCleaner Network?
• Using the trial software
• How to change the Management Service password
• Connecting to a Management Service for the first time
• Deploying the Endpoint Agent
• Restoring registry entries on Endpoints

Advanced

• Understanding the Architecture
• Installing the Service on a different Endpoint
• Migrating the Management Console and Service to new Endpoint
• CCleaner Network manual license activation
• Adding computers with Active Directory
• Enabling Administrative Shares for use in Group Policy Deployment

Troubleshooting

• Endpoint Agent shows as "Online (Paired with another CCN)"
• CCleaner Network Initial Troubleshooting Steps
• Why can't I see the Endpoint Agent in 'Add and Remove Programs'
• Installation of Endpoint Agent fails to install MS XML 6
• Windows 7 admin share - workaround
• Updating CCleaner Network

General

• Priority email support for business customers
• How can I partner with Piriform?
• Contacting sales
• Business product range
• Priority email support for Partners

Scripting our Business Edition products

• Scripting registration of CCleaner Business Edition
• Scripting CCleaner Business Edition settings
• Scripting CCleaner Business Edition installation and operation
• Scripting Defraggler Business Edition

MSP Products

• Setting up CCleaner Business Edition for LabTech
• Integrating our products with your existing RMM tool

How To's

• Business Edition MSI Installers
• Demonstrating CCleaner Network to your clients

Important Updates

• ¿Qué son las actualizaciones importantes y cómo puedo controlarlas?
• Что такое «важные обновления» и как я могу их настроить?
• O que são atualizações importantes e como elas são controladas?
• Cosa sono gli aggiornamenti importanti e come si controllano?
• Was sind Wichtige Updates und wie kann ich sie verwalten?
• Que sont les Mises à jour importantes et comment les paramétrer ?