CCleaner

How to uninstall CCleaner from your computer

This web page is about CCleaner for Windows. Below you can find details on how to remove it from your computer. The Windows release was developed by Piriform. Take a look here where you can find out more on Piriform. The application is usually located in the C:\Program Files\CCleaner folder (same installation drive as Windows). You can uninstall CCleaner by clicking on the Start menu of Windows and pasting the command line C:\Program Files\CCleaner\uninst.exe. Keep in mind that you might get a notification for administrator rights. CCleaner's primary file takes about 43.61 MB (45724528 bytes) and is named CCleaner64.exe.

The executables below are part of CCleaner. They occupy about 226.67 MB (237677272 bytes) on disk.

• CCleaner.exe (37.73 MB)
• CCleaner64.exe (43.61 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)
• ccupdate618_pro.exe (25.71 MB)
• ccupdate619_pro.exe (22.83 MB)
• ccupdate624_pro.exe (73.60 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 page applies to CCleaner version 6.37 only. Click on the links below for 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
• 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
• 3.08

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If you are manually uninstalling CCleaner we advise you to check if the following data is left behind on your PC.

You should delete the folders below after you uninstall CCleaner:

• C:\Program Files\CCleaner
• C:\Users\%user%\AppData\Roaming\Mozilla\Firefox\Profiles\1ea94dsq.default\storage\archives\0\2023-01-21\default\https+++www.ccleaner.com
• C:\Users\%user%\AppData\Roaming\Mozilla\Firefox\Profiles\1ea94dsq.default\storage\archives\0\2025-04-30\default\https+++secure.ccleaner.com

The files below were left behind on your disk by CCleaner when you uninstall it:

• C:\Program Files\CCleaner\CCleaner.exe
• C:\Program Files\CCleaner\CCleaner64.exe
• C:\Program Files\CCleaner\CCleanerBugReport.exe
• C:\Program Files\CCleaner\CCleanerCrashDump.exe
• C:\Program Files\CCleaner\CCleanerDU.dll
• C:\Program Files\CCleaner\CCleanerPerformanceOptimizer.dll
• C:\Program Files\CCleaner\CCleanerPerformanceOptimizerService.exe
• C:\Program Files\CCleaner\CCleanerReactivator.dll
• C:\Program Files\CCleaner\CCleanerReactivator.exe
• C:\Program Files\CCleaner\CCUpdate.exe
• 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\log\BugReport.log
• C:\Program Files\CCleaner\Data\log\BugReport.status
• C:\Program Files\CCleaner\Data\log\DumpProcess.log
• C:\Program Files\CCleaner\Data\state_cache.json
• C:\Program Files\CCleaner\Data\StateHistory\DUState 2025-03-20 13-22-55-162.dat
• C:\Program Files\CCleaner\Data\StateHistory\DUState 2025-03-20 13-23-00-955.dat
• C:\Program Files\CCleaner\Data\StateHistory\DUState 2025-03-20 17-49-44-843.dat
• C:\Program Files\CCleaner\Data\StateHistory\DUState 2025-05-20 18-48-37-225.dat
• C:\Program Files\CCleaner\Data\StateHistory\DUState 2025-05-20 18-48-56-538.dat
• C:\Program Files\CCleaner\Data\StateHistory\DUState 2025-05-28 16-28-21-043.dat
• C:\Program Files\CCleaner\Data\StateHistory\DUState 2025-06-25 16-42-42-128.dat
• C:\Program Files\CCleaner\Data\StateHistory\DUState 2025-06-25 16-45-36-108.dat
• C:\Program Files\CCleaner\Data\StateHistory\DUState 2025-06-25 17-04-13-648.dat
• C:\Program Files\CCleaner\Data\StateHistory\DUState 2025-06-30 18-09-56-580.dat
• C:\Program Files\CCleaner\Data\StateHistory\InitialDUState V23_4.dat
• C:\Program Files\CCleaner\Data\StateHistory\InitialDUState V24_1.dat
• C:\Program Files\CCleaner\Data\StateHistory\InitialDUState V24_2.dat
• C:\Program Files\CCleaner\Data\StateHistory\InitialDUState V24_4.dat
• C:\Program Files\CCleaner\Data\usercfg.ini
• C:\Program Files\CCleaner\Lang\lang-1025.dll
• C:\Program Files\CCleaner\Lang\lang-1026.dll
• C:\Program Files\CCleaner\Lang\lang-1027.dll
• C:\Program Files\CCleaner\Lang\lang-1028.dll
• C:\Program Files\CCleaner\Lang\lang-1029.dll
• C:\Program Files\CCleaner\Lang\lang-1030.dll
• C:\Program Files\CCleaner\Lang\lang-1031.dll
• C:\Program Files\CCleaner\Lang\lang-1032.dll
• C:\Program Files\CCleaner\Lang\lang-1034.dll
• C:\Program Files\CCleaner\Lang\lang-1035.dll
• C:\Program Files\CCleaner\Lang\lang-1036.dll
• C:\Program Files\CCleaner\Lang\lang-1037.dll
• C:\Program Files\CCleaner\Lang\lang-1038.dll
• C:\Program Files\CCleaner\Lang\lang-1040.dll
• C:\Program Files\CCleaner\Lang\lang-1041.dll
• C:\Program Files\CCleaner\Lang\lang-1042.dll
• C:\Program Files\CCleaner\Lang\lang-1043.dll
• C:\Program Files\CCleaner\Lang\lang-1044.dll
• C:\Program Files\CCleaner\Lang\lang-1045.dll
• C:\Program Files\CCleaner\Lang\lang-1046.dll
• C:\Program Files\CCleaner\Lang\lang-1048.dll
• C:\Program Files\CCleaner\Lang\lang-1049.dll
• C:\Program Files\CCleaner\Lang\lang-1050.dll
• C:\Program Files\CCleaner\Lang\lang-1051.dll
• C:\Program Files\CCleaner\Lang\lang-1052.dll
• C:\Program Files\CCleaner\Lang\lang-1053.dll
• C:\Program Files\CCleaner\Lang\lang-1054.dll
• C:\Program Files\CCleaner\Lang\lang-1055.dll
• C:\Program Files\CCleaner\Lang\lang-1056.dll
• C:\Program Files\CCleaner\Lang\lang-1057.dll
• C:\Program Files\CCleaner\Lang\lang-1058.dll
• C:\Program Files\CCleaner\Lang\lang-1059.dll
• C:\Program Files\CCleaner\Lang\lang-1060.dll
• C:\Program Files\CCleaner\Lang\lang-1061.dll
• C:\Program Files\CCleaner\Lang\lang-1062.dll
• C:\Program Files\CCleaner\Lang\lang-1063.dll
• C:\Program Files\CCleaner\Lang\lang-1065.dll
• C:\Program Files\CCleaner\Lang\lang-1066.dll
• C:\Program Files\CCleaner\Lang\lang-1067.dll
• C:\Program Files\CCleaner\Lang\lang-1068.dll
• C:\Program Files\CCleaner\Lang\lang-1071.dll
• C:\Program Files\CCleaner\Lang\lang-1079.dll
• C:\Program Files\CCleaner\Lang\lang-1081.dll
• C:\Program Files\CCleaner\Lang\lang-1086.dll
• C:\Program Files\CCleaner\Lang\lang-1087.dll
• C:\Program Files\CCleaner\Lang\lang-1090.dll
• C:\Program Files\CCleaner\Lang\lang-1092.dll
• C:\Program Files\CCleaner\Lang\lang-1093.dll
• C:\Program Files\CCleaner\Lang\lang-1102.dll
• C:\Program Files\CCleaner\Lang\lang-1104.dll
• C:\Program Files\CCleaner\Lang\lang-1109.dll
• C:\Program Files\CCleaner\Lang\lang-1110.dll
• C:\Program Files\CCleaner\Lang\lang-1155.dll
• C:\Program Files\CCleaner\Lang\lang-2052.dll
• C:\Program Files\CCleaner\Lang\lang-2070.dll
• C:\Program Files\CCleaner\Lang\lang-2074.dll
• C:\Program Files\CCleaner\Lang\lang-3098.dll
• C:\Program Files\CCleaner\Lang\lang-5146.dll
• C:\Program Files\CCleaner\Lang\lang-9999.dll
• C:\Program Files\CCleaner\lc.dat
• C:\Program Files\CCleaner\libwaapi.dll
• C:\Program Files\CCleaner\libwaheap.dll
• C:\Program Files\CCleaner\libwalocal.dll
• C:\Program Files\CCleaner\libwaresource.dll
• C:\Program Files\CCleaner\libwautils.dll
• C:\Program Files\CCleaner\libwavmodapi.dll
• C:\Program Files\CCleaner\LOG\burger_client\8866F8A9-70C9-43A2-BFBE-EE00AA2DC417\44ED97C8-2D40-4A50-913D-673F6858B9AF
• C:\Program Files\CCleaner\LOG\CCleanerUpdateHelper.log
• C:\Program Files\CCleaner\LOG\DriverUpdaterLib.log

Registry keys:

• HKEY_CLASSES_ROOT\Software\Piriform\CCleaner
• HKEY_CURRENT_USER\Software\Piriform\CCleaner
• HKEY_LOCAL_MACHINE\Software\Microsoft\RADAR\HeapLeakDetection\DiagnosedApplications\CCleaner64.exe
• HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Uninstall\CCleaner
• HKEY_LOCAL_MACHINE\Software\Piriform\CCleaner
• HKEY_LOCAL_MACHINE\Software\Wow6432Node\Microsoft\Windows\CurrentVersion\App Paths\ccleaner.exe

Registry values that are not removed from your computer:

• HKEY_LOCAL_MACHINE\System\CurrentControlSet\Services\bam\State\UserSettings\S-1-5-18\\Device\HarddiskVolume4\Program Files\CCleaner\CCleanerBugReport.exe
• HKEY_LOCAL_MACHINE\System\CurrentControlSet\Services\bam\State\UserSettings\S-1-5-21-729627043-1792363574-1906122909-1001\\Device\HarddiskVolume4\Program Files\CCleaner\CCleaner64.exe
• HKEY_LOCAL_MACHINE\System\CurrentControlSet\Services\CCleanerPerformanceOptimizerService\Description
• HKEY_LOCAL_MACHINE\System\CurrentControlSet\Services\CCleanerPerformanceOptimizerService\DisplayName
• HKEY_LOCAL_MACHINE\System\CurrentControlSet\Services\CCleanerPerformanceOptimizerService\ImagePath

A way to remove CCleaner using Advanced Uninstaller PRO

CCleaner is an application marketed by Piriform. Sometimes, users choose to erase it. This can be easier said than done because performing this manually takes some know-how related to Windows program uninstallation. One of the best EASY solution to erase CCleaner is to use Advanced Uninstaller PRO. Here is how to do this:





1. If you don't have Advanced Uninstaller PRO already installed on your system, add it. This is a good step because Advanced Uninstaller PRO is the best uninstaller and general tool to take care of your PC.

DOWNLOAD NOW

• go to Download Link
• download the program by pressing the green DOWNLOAD NOW button
• install Advanced Uninstaller PRO

2. Start Advanced Uninstaller PRO. Take your time to admire Advanced Uninstaller PRO's interface and number of tools available. Advanced Uninstaller PRO is a very useful system utility.

3. Press the General Tools button


4. Press the Uninstall Programs feature


5. A list of the programs existing on the PC will be made available to you

6. Navigate the list of programs until you find CCleaner or simply activate the Search feature and type in "CCleaner". If it is installed on your PC the CCleaner program will be found very quickly. After you click CCleaner in the list of apps, the following information about the application is available to you:

• Safety rating (in the lower left corner). This explains the opinion other users have about CCleaner, from "Highly recommended" to "Very dangerous".
• Reviews by other users - Press the Read reviews button.
• Details about the program you want to uninstall, by pressing the Properties button.

7. Click the Uninstall button. A confirmation window will appear. Confirm the uninstall by clicking the Uninstall button. Advanced Uninstaller PRO will automatically uninstall CCleaner.


8. After removing CCleaner, Advanced Uninstaller PRO will offer to run a cleanup. Click Next to go ahead with the cleanup. All the items that belong CCleaner that have been left behind will be found and you will be asked if you want to delete them. By removing CCleaner using Advanced Uninstaller PRO, you can be sure that no Windows registry entries, files or directories are left behind on your PC.

Your Windows computer will remain clean, speedy and ready to take on new tasks.

Disclaimer

The text above is not a piece of advice to remove CCleaner by Piriform from your PC, we are not saying that CCleaner by Piriform is not a good application for your PC. This page simply contains detailed instructions on how to remove CCleaner in case you want to. Here you can find registry and disk entries that other software left behind and Advanced Uninstaller PRO stumbled upon and classified as "leftovers" on other users' PCs.