CCleaner

How to uninstall CCleaner from your system

CCleaner is a Windows program. Read below about how to uninstall it from your PC. It was coded for Windows by Piriform. Go over here where you can read more on Piriform. CCleaner is normally set up in the C:\Program Files\CCleaner directory, but this location can differ a lot depending on the user's option when installing the application. C:\Program Files\CCleaner\uninst.exe is the full command line if you want to uninstall CCleaner. The program's main executable file is labeled CCleaner64.exe and it has a size of 43.62 MB (45741280 bytes).

CCleaner installs the following the executables on your PC, occupying about 105.34 MB (110452936 bytes) on disk.

• CCleaner.exe (37.74 MB)
• CCleaner64.exe (43.62 MB)
• CCleanerBugReport.exe (5.86 MB)
• CCleanerCrashDump.exe (3.39 MB)
• CCleanerPerformanceOptimizerService.exe (1.03 MB)
• CCleanerReactivator.exe (186.22 KB)
• ccleaner_update_helper.exe (804.20 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 page applies to CCleaner version 6.38 alone. For more CCleaner versions please click below:

• 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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If you are manually uninstalling CCleaner we recommend you to verify if the following data is left behind on your PC.

Directories that were left behind:

• C:\Program Files\CCleaner
• C:\Users\%user%\AppData\Local\Avast Software\Browser\User Data\Default\Extensions\gjcfnponmdkenfdibginkmlmediekpnm\1.36.0.1305_0\img\logos\ccleaner
• C:\Users\%user%\AppData\Local\Avast Software\Browser\User Data\Default\Extensions\gjcfnponmdkenfdibginkmlmediekpnm\1.36.0.1305_0\img\whats-new\ccleaner

The files below remain on your disk when you remove CCleaner:

• C:\Program Files\CCleaner\autotrial.dat
• C:\Program Files\CCleaner\branding.dll
• 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\ccupdate638_free.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\state_cache.json
• C:\Program Files\CCleaner\Data\StateHistory\DUState 2025-08-03 12-19-20-899.dat
• C:\Program Files\CCleaner\Data\StateHistory\DUState 2025-08-03 12-22-49-479.dat
• C:\Program Files\CCleaner\Data\StateHistory\DUState 2025-08-03 12-23-33-729.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\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:\Program Files\CCleaner\uninst.exe
• C:\Program Files\CCleaner\wa_3rd_party_host_32.exe

Registry that is not removed:

• 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
• HKEY_LOCAL_MACHINE\Software\Wow6432Node\Microsoft\Windows\CurrentVersion\App Paths\ccleaner.exe

Additional registry values that you should clean:

• HKEY_CLASSES_ROOT\Local Settings\Software\Microsoft\Windows\Shell\MuiCache\C:\Users\UserName\Downloads\CCleaner_Pro_v6.26.11169.exe.ApplicationCompany
• HKEY_CLASSES_ROOT\Local Settings\Software\Microsoft\Windows\Shell\MuiCache\C:\Users\UserName\Downloads\CCleaner_Pro_v6.26.11169.exe.FriendlyAppName
• HKEY_LOCAL_MACHINE\System\CurrentControlSet\Services\bam\State\UserSettings\S-1-5-21-2729415021-1279903749-4064493457-1001\\Device\HarddiskVolume3\Program Files\CCleaner\CCleaner64.exe
• HKEY_LOCAL_MACHINE\System\CurrentControlSet\Services\bam\State\UserSettings\S-1-5-21-2729415021-1279903749-4064493457-1001\\Device\HarddiskVolume3\Users\UserName\Downloads\CCleaner_Pro_v6.26.11169.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 erase CCleaner from your computer using Advanced Uninstaller PRO

CCleaner is a program marketed by Piriform. Some users try to erase this program. Sometimes this can be troublesome because uninstalling this by hand takes some experience regarding Windows internal functioning. The best QUICK way to erase CCleaner is to use Advanced Uninstaller PRO. Here are some detailed instructions about how to do this:





1. If you don't have Advanced Uninstaller PRO on your PC, install it. This is good because Advanced Uninstaller PRO is a very potent uninstaller and all around tool to clean your system.

DOWNLOAD NOW

• navigate to Download Link
• download the program by pressing the DOWNLOAD NOW button
• set up Advanced Uninstaller PRO

2. Run Advanced Uninstaller PRO. It's recommended to take your time to admire Advanced Uninstaller PRO's design and wealth of features available. Advanced Uninstaller PRO is a powerful package of utilities.

3. Press the General Tools button


4. Press the Uninstall Programs button


5. A list of the programs installed on your computer will be shown 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 app will be found automatically. When you click CCleaner in the list of programs, the following information regarding the application is made available to you:

• Safety rating (in the left lower corner). This tells you the opinion other users have regarding CCleaner, ranging from "Highly recommended" to "Very dangerous".
• Opinions by other users - Press the Read reviews button.
• Technical information regarding the app you want to uninstall, by pressing the Properties button.

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


8. After removing CCleaner, Advanced Uninstaller PRO will offer to run a cleanup. Press Next to proceed with the cleanup. All the items that belong CCleaner which have been left behind will be detected and you will be asked if you want to delete them. By uninstalling CCleaner using Advanced Uninstaller PRO, you are assured that no Windows registry items, 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 uninstall CCleaner by Piriform from your PC, we are not saying that CCleaner by Piriform is not a good application for your PC. This text only contains detailed info on how to uninstall 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 stumbled upon and classified as "leftovers" on other users' PCs.