CCleaner

A guide to uninstall CCleaner from your PC

This page contains complete information on how to uninstall CCleaner for Windows. The Windows version was developed by Piriform. More data about Piriform can be found here. The application is usually found in the C:\Program Files\CCleaner directory. Take into account that this location can vary depending on the user's preference. C:\Program Files\CCleaner\uninst.exe is the full command line if you want to remove CCleaner. CCleaner's primary file takes about 43.86 MB (45988576 bytes) and is named CCleaner64.exe.

CCleaner contains of the executables below. They take 105.02 MB (110123400 bytes) on disk.

• CCleaner.exe (37.98 MB)
• CCleaner64.exe (43.86 MB)
• CCleanerBugReport.exe (5.86 MB)
• CCleanerCrashDump.exe (3.39 MB)
• CCleanerPerformanceOptimizerService.exe (1.03 MB)
• CCleanerReactivator.exe (186.22 KB)
• CCUpdate.exe (3.32 MB)
• uninst.exe (4.46 MB)
• wa_3rd_party_host_32.exe (2.19 MB)
• wa_3rd_party_host_64.exe (2.76 MB)

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The current web page applies to CCleaner version 6.39 only. You can find here a few links to other CCleaner versions:

• 5.40
• 5.84
• 6.26
• 3.18
• 2.28
• 5.38
• 5.36
• 3.28
• 3.00
• 6.14
• 2.26
• 5.08
• 6.35
• 5.58
• 5.57.7182
• 6.23
• Unknown
• 3.14
• 5.56
• 4.01
• 5.53.7034
• 5.0.0.5050
• 4.11
• 5.66.7716
• 6.37
• 5.8.00.5308
• 4.03.4151
• 5.12
• 5.03
• 6.21
• 5.48.6834
• 4.04
• 3.12
• 6.01
• 5.37
• 3.01
• 5.66
• 4.02
• 4.06
• 3.09
• 3.26
• 6.34
• 5.39
• 6.07
• 4.19
• 3.22
• 5.81
• 2.29
• 5.44.6577
• 5.0
• 3.13
• 5.43.6520
• 5.86
• 6.12
• 5.56.7144
• 6.27
• 5.80
• 5.64
• 4.07
• 5.33
• 5.30
• 2.33
• 5.55
• 5.59
• 5.44.6575
• 5.69
• 3.24
• 4.04.4197
• 5.41
• 5.52.6967
• 5.54
• 3.1
• 5.76.8269
• 2.31
• 5.54.7088
• 5.79
• 6.06
• 5.02
• 5.24
• 5.03.5128
• 5.70
• 4.05.4250
• 5.91
• 5.77.8521
• 5.65.7632
• 5.72
• 5.65
• 6.18
• 5.55.7108
• 5.47.6716
• 5.06.5219
• 5.29
• 5.41.6446
• 4.05
• 3.05
• 5.68
• 2.36
• 5.76
• 5.82.8950
• 6.08

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Following the uninstall process, the application leaves some files behind on the PC. Part_A few of these are listed below.

Folders left behind when you uninstall CCleaner:

• C:\Program Files\CCleaner

The files below were left behind on your disk by CCleaner's application uninstaller when you removed it:

• C:\Program Files\CCleaner\Data\burger_client\8866F8A9-70C9-43A2-BFBE-EE00AA2DC417\44ED97C8-2D40-4A50-913D-673F6858B9AF
• C:\Program Files\CCleaner\Data\DUState.dat
• C:\Program Files\CCleaner\Data\state_cache.json
• C:\Program Files\CCleaner\Data\StateHistory\DUState 2025-08-23 15-30-46-030.dat
• C:\Program Files\CCleaner\Data\StateHistory\DUState 2025-08-23 15-36-55-585.dat
• C:\Program Files\CCleaner\Data\StateHistory\InitialDUState V24_4.dat
• C:\Program Files\CCleaner\Data\usercfg.ini
• C:\Program Files\CCleaner\lc.dat
• C:\Program Files\CCleaner\LOG\burger_client\8866F8A9-70C9-43A2-BFBE-EE00AA2DC417\44ED97C8-2D40-4A50-913D-673F6858B9AF
• C:\Program Files\CCleaner\LOG\DriverUpdaterLib.log
• C:\Program Files\CCleaner\LOG\DriverUpdEng.log
• C:\Program Files\CCleaner\LOG\DriverUpdEngTask.log
• C:\Program Files\CCleaner\LOG\event_manager.log
• C:\Program Files\CCleaner\LOG\pd.log
• C:\Program Files\CCleaner\LOG\su_adapter.log
• C:\Program Files\CCleaner\LOG\su_controller.log
• C:\Program Files\CCleaner\LOG\su_telemetry.log
• C:\Program Files\CCleaner\Setup\config.def
• C:\Users\%user%\AppData\Local\Microsoft\Windows\INetCache\IE\WRNAF1E7\ccleaner-logo-text-v1[2].png
• C:\Users\%user%\AppData\Local\Packages\Microsoft.Windows.Search_cw5n1h2txyewy\LocalState\AppIconCache\100\{6D809377-6AF0-444B-8957-A3773F02200E}_CCleaner_CCleaner64_exe
• C:\Users\%user%\AppData\Local\Packages\Microsoft.Windows.Search_cw5n1h2txyewy\LocalState\AppIconCache\100\http___www_ccleaner_com_ccleaner

Usually the following registry keys will not be cleaned:

• HKEY_CLASSES_ROOT\Software\Piriform\CCleaner
• HKEY_CURRENT_USER\Software\Piriform\CCleaner
• HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Uninstall\CCleaner
• HKEY_LOCAL_MACHINE\Software\Piriform\CCleaner

Additional values that you should clean:

• HKEY_LOCAL_MACHINE\System\CurrentControlSet\Services\bam\State\UserSettings\S-1-5-21-2437700091-2113609201-3293162315-1001\\Device\HarddiskVolume4\Program Files\CCleaner\CCleaner64.exe

A way to delete CCleaner using Advanced Uninstaller PRO

CCleaner is an application released by Piriform. Some computer users choose to erase this program. Sometimes this can be easier said than done because doing this by hand takes some skill regarding PCs. The best SIMPLE action to erase CCleaner is to use Advanced Uninstaller PRO. Here is how to do this:





1. If you don't have Advanced Uninstaller PRO on your Windows PC, install it. This is a good step because Advanced Uninstaller PRO is an efficient uninstaller and all around utility to maximize the performance of your Windows computer.

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• navigate to Download Link
• download the program by clicking on the green DOWNLOAD button
• install Advanced Uninstaller PRO

2. Start Advanced Uninstaller PRO. It's recommended to take your time to admire Advanced Uninstaller PRO's interface and wealth of functions available. Advanced Uninstaller PRO is a very useful system optimizer.

3. Press the General Tools category


4. Click on the Uninstall Programs tool


5. All the applications installed on your PC will be shown to you

6. Navigate the list of applications until you locate CCleaner or simply activate the Search field and type in "CCleaner". If it exists on your system the CCleaner app will be found automatically. After you select CCleaner in the list of apps, the following information regarding the application is available to you:

• Star rating (in the lower left corner). The star rating tells you the opinion other people have regarding CCleaner, from "Highly recommended" to "Very dangerous".
• Opinions by other people - Press the Read reviews button.
• Technical information regarding the application you want to remove, by clicking on the Properties button.

7. Press the Uninstall button. A confirmation dialog will show up. Confirm the removal by pressing the Uninstall button. Advanced Uninstaller PRO will then remove CCleaner.


8. After uninstalling CCleaner, Advanced Uninstaller PRO will ask you to run an additional cleanup. Press Next to proceed with the cleanup. All the items of CCleaner that have been left behind will be detected and you will be able to delete them. By uninstalling CCleaner with Advanced Uninstaller PRO, you can be sure that no registry items, files or folders are left behind on your computer.

Your computer will remain clean, speedy and able to run without errors or problems.

Disclaimer

The text above is not a recommendation to remove CCleaner by Piriform from your computer, we are not saying that CCleaner by Piriform is not a good software application. This page only contains detailed info on how to remove CCleaner in case you decide this is what you want to do. Here you can find registry and disk entries that other software left behind and Advanced Uninstaller PRO discovered and classified as "leftovers" on other users' computers.