Support Questions
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
CCleaner for Windows
General
- ★ CCleaner for Windows system requirements
- How often should I run CCleaner?
- Why do you no longer support Windows XP or Vista?
- Which versions of CCleaner work with Windows XP or Vista?
- Where is Easy Clean?
- CCleaner and solid-state drives (SSDs)
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 is the Intelligent Cookie Scan?
- Scheduled Cleaning in CCleaner Professional
Advanced
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
- How do I workaround the Firefox 79 extension cleaning bug?
- Restoring CCleaner's default settings
- Why can't I use CCleaner in my location?
Defraggler
General
How To's
Advanced
Troubleshooting
Recuva
General
How To's
Advanced
Troubleshooting
Speccy
General
How To's
Advanced
Troubleshooting
CCleaner Browser
About CCleaner Browser
Getting started with 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?
CCleaner for Mac
About CCleaner for Mac
How to use CCleaner for Mac application
emptyTroubleshooting
CCleaner for Android
Download and Installation
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
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?
NEW: Kamo
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 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
NEW: CCleaner Professional Plus with Premium Tech Support
Premium Tech Support: the basics
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?
CCleaner Network
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
Business Users
General
Scripting our Business Edition products
MSP Products
How To's
Promoted articles
- Why do I see a message that says 'CCleaner Free is for home use only’ or ‘CCleaner Free is not free for commercial use?'
- CCleaner for Windows system requirements
- 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 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?
- 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
- Defraggler and SSDs
- CCleaner for Mac system requirements