iTunes

A way to uninstall iTunes from your computer

iTunes is a software application. This page holds details on how to remove it from your PC. It is made by Apple Inc.. More information on Apple Inc. can be found here. Click on http://www.apple.com/ to get more details about iTunes on Apple Inc.'s website. Usually the iTunes application is placed in the C:\Program Files\iTunes folder, depending on the user's option during install. The full uninstall command line for iTunes is MsiExec.exe /I{00ECC1A0-72EC-4E21-A03E-A9242A92CE1F}. iTunes.exe is the programs's main file and it takes close to 37.40 MB (39216440 bytes) on disk.

iTunes contains of the executables below. They take 40.21 MB (42163112 bytes) on disk.

• iTunes.exe (37.40 MB)
• iTunesHelper.exe (295.80 KB)
• iTunesVisualizerHost.exe (2.52 MB)

The current web page applies to iTunes version 12.9.6.3 only. For more iTunes versions please click below:

• 9.0.3.15
• 7.6.2.9
• 12.11.0.26
• 11.2.0.114
• 9.0.2.25
• 7.7.1.11
• 12.3.1.23
• 12.10.1.4
• 12.3.2.35
• 10.2.0.34
• 12.10.0.7
• 8.2.0.23
• 7.5.0.20
• 12.12.3.5
• 12.12.0.6
• 11.0.2.26
• 12.10.6.2
• 12.13.2.3
• 10.7.0.21
• 11.0.2.25
• 10.5.2.11
• 12.1.0.71
• 11.1.4.62
• 7.3.0.54
• 9.2.1.4
• 12.9.0.167
• 10.1.0.56
• 12.12.5.8
• 11.3.0.54
• 12.12.4.1
• 12.5.1.21
• 8.1.0.52
• 12.5.5.5
• 12.12.2.2
• 10.5.3.3
• 12.9.5.7
• 12.4.3.1
• 12.10.8.5
• 10.6.0.40
• 12.4.2.4
• 12.6.1.25
• 7.7.0.43
• 12.7.2.58
• 11.0.1.12
• 9.1.0.79
• 12.10.7.3
• 12.3.0.44
• 12.1.3.6
• 11.2.2.3
• 11.1.0.126
• 10.2.1.1
• 12.2.1.16
• 11.1.3.8
• 12.7.4.80
• 10.4.0.80
• 12.12.8.2
• 12.12.6.1
• 12.13.4.4
• 10.0.1.22
• 11.1.2.31
• 12.6.0.95
• 9.2.1.5
• 8.0.2.20
• 12.6.5.3
• 12.6.2.20
• 12.9.1.4
• 11.1.1.11
• 12.13.0.9
• 9.2.0.61
• 12.6.0.100
• 12.12.9.4
• 12.6.3.6
• 10.6.1.7
• 8.1.0.51
• 12.13.1.3
• 12.13.3.2
• 8.0.1.11
• 11.1.2.32
• 12.7.2.60
• 12.9.3.3
• 7.4.0.28
• 12.3.2.34
• 12.2.0.145
• 10.5.1.42
• 10.5.0.113
• 7.3.2.6
• 11.2.0.115
• 10.5.0.142
• 12.12.7.1
• 10.1.0.54
• 12.11.4.15
• 12.12.10.1
• 12.5.3.17
• 12.4.1.6
• 9.1.1.11
• 8.0.0.35
• 11.1.5.5
• 10.1.2.17
• 10.2.2.12
• 12.7.3.46

...click to view all...
Quite a few files, folders and Windows registry data will not be removed when you remove iTunes from your computer.

Folders left behind when you uninstall iTunes:

• C:\Program Files\iTunes
• C:\Users\%user%\AppData\Local\Apple Computer\iTunes
• C:\Users\%user%\AppData\Roaming\Apple Computer\iTunes

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

• C:\Program Files\iTunes\Acknowledgements.rtf
• C:\Program Files\iTunes\ApplePushDirect.dll
• C:\Program Files\iTunes\AppleVersions.dll
• C:\Program Files\iTunes\ASL.dll
• C:\Program Files\iTunes\AuthKitWin.resources\ar.lproj\AuthKitWinLocalized.dll
• C:\Program Files\iTunes\AuthKitWin.resources\ca.lproj\AuthKitWinLocalized.dll
• C:\Program Files\iTunes\AuthKitWin.resources\cs.lproj\AuthKitWinLocalized.dll
• C:\Program Files\iTunes\AuthKitWin.resources\da.lproj\AuthKitWinLocalized.dll
• C:\Program Files\iTunes\AuthKitWin.resources\de.lproj\AuthKitWinLocalized.dll
• C:\Program Files\iTunes\AuthKitWin.resources\el.lproj\AuthKitWinLocalized.dll
• C:\Program Files\iTunes\AuthKitWin.resources\en.lproj\AuthKitWinLocalized.dll
• C:\Program Files\iTunes\AuthKitWin.resources\en_AU.lproj\AuthKitWinLocalized.dll
• C:\Program Files\iTunes\AuthKitWin.resources\en_GB.lproj\AuthKitWinLocalized.dll
• C:\Program Files\iTunes\AuthKitWin.resources\es.lproj\AuthKitWinLocalized.dll
• C:\Program Files\iTunes\AuthKitWin.resources\es_419.lproj\AuthKitWinLocalized.dll
• C:\Program Files\iTunes\AuthKitWin.resources\fi.lproj\AuthKitWinLocalized.dll
• C:\Program Files\iTunes\AuthKitWin.resources\fr.lproj\AuthKitWinLocalized.dll
• C:\Program Files\iTunes\AuthKitWin.resources\fr_CA.lproj\AuthKitWinLocalized.dll
• C:\Program Files\iTunes\AuthKitWin.resources\he.lproj\AuthKitWinLocalized.dll
• C:\Program Files\iTunes\AuthKitWin.resources\hi.lproj\AuthKitWinLocalized.dll
• C:\Program Files\iTunes\AuthKitWin.resources\hr.lproj\AuthKitWinLocalized.dll
• C:\Program Files\iTunes\AuthKitWin.resources\hu.lproj\AuthKitWinLocalized.dll
• C:\Program Files\iTunes\AuthKitWin.resources\id.lproj\AuthKitWinLocalized.dll
• C:\Program Files\iTunes\AuthKitWin.resources\it.lproj\AuthKitWinLocalized.dll
• C:\Program Files\iTunes\AuthKitWin.resources\ja.lproj\AuthKitWinLocalized.dll
• C:\Program Files\iTunes\AuthKitWin.resources\ko.lproj\AuthKitWinLocalized.dll
• C:\Program Files\iTunes\AuthKitWin.resources\ms.lproj\AuthKitWinLocalized.dll
• C:\Program Files\iTunes\AuthKitWin.resources\nb.lproj\AuthKitWinLocalized.dll
• C:\Program Files\iTunes\AuthKitWin.resources\nl.lproj\AuthKitWinLocalized.dll
• C:\Program Files\iTunes\AuthKitWin.resources\pl.lproj\AuthKitWinLocalized.dll
• C:\Program Files\iTunes\AuthKitWin.resources\pt.lproj\AuthKitWinLocalized.dll
• C:\Program Files\iTunes\AuthKitWin.resources\pt_PT.lproj\AuthKitWinLocalized.dll
• C:\Program Files\iTunes\AuthKitWin.resources\ro.lproj\AuthKitWinLocalized.dll
• C:\Program Files\iTunes\AuthKitWin.resources\ru.lproj\AuthKitWinLocalized.dll
• C:\Program Files\iTunes\AuthKitWin.resources\sk.lproj\AuthKitWinLocalized.dll
• C:\Program Files\iTunes\AuthKitWin.resources\sv.lproj\AuthKitWinLocalized.dll
• C:\Program Files\iTunes\AuthKitWin.resources\th.lproj\AuthKitWinLocalized.dll
• C:\Program Files\iTunes\AuthKitWin.resources\tr.lproj\AuthKitWinLocalized.dll
• C:\Program Files\iTunes\AuthKitWin.resources\uk.lproj\AuthKitWinLocalized.dll
• C:\Program Files\iTunes\AuthKitWin.resources\vi.lproj\AuthKitWinLocalized.dll
• C:\Program Files\iTunes\AuthKitWin.resources\zh_CN.lproj\AuthKitWinLocalized.dll
• C:\Program Files\iTunes\AuthKitWin.resources\zh_HK.lproj\AuthKitWinLocalized.dll
• C:\Program Files\iTunes\AuthKitWin.resources\zh_TW.lproj\AuthKitWinLocalized.dll
• C:\Program Files\iTunes\AVFoundationCF.dll
• C:\Program Files\iTunes\AVFoundationCF.resources\ar.lproj\AVCFError.strings
• C:\Program Files\iTunes\AVFoundationCF.resources\ar.lproj\AVCFMediaSelectionOption.strings
• C:\Program Files\iTunes\AVFoundationCF.resources\AVCFAssetExportPresets.plist
• C:\Program Files\iTunes\AVFoundationCF.resources\AVFoundationCFSupport.plist
• C:\Program Files\iTunes\AVFoundationCF.resources\ca.lproj\AVCFError.strings
• C:\Program Files\iTunes\AVFoundationCF.resources\ca.lproj\AVCFMediaSelectionOption.strings
• C:\Program Files\iTunes\AVFoundationCF.resources\cs.lproj\AVCFError.strings
• C:\Program Files\iTunes\AVFoundationCF.resources\cs.lproj\AVCFMediaSelectionOption.strings
• C:\Program Files\iTunes\AVFoundationCF.resources\da.lproj\AVCFError.strings
• C:\Program Files\iTunes\AVFoundationCF.resources\da.lproj\AVCFMediaSelectionOption.strings
• C:\Program Files\iTunes\AVFoundationCF.resources\Dutch.lproj\AVCFError.strings
• C:\Program Files\iTunes\AVFoundationCF.resources\Dutch.lproj\AVCFMediaSelectionOption.strings
• C:\Program Files\iTunes\AVFoundationCF.resources\el.lproj\AVCFError.strings
• C:\Program Files\iTunes\AVFoundationCF.resources\el.lproj\AVCFMediaSelectionOption.strings
• C:\Program Files\iTunes\AVFoundationCF.resources\en_GB.lproj\AVCFError.strings
• C:\Program Files\iTunes\AVFoundationCF.resources\en_GB.lproj\AVCFMediaSelectionOption.strings
• C:\Program Files\iTunes\AVFoundationCF.resources\English.lproj\AVCFError.strings
• C:\Program Files\iTunes\AVFoundationCF.resources\English.lproj\AVCFMediaSelectionOption.strings
• C:\Program Files\iTunes\AVFoundationCF.resources\es_419.lproj\AVCFError.strings
• C:\Program Files\iTunes\AVFoundationCF.resources\es_419.lproj\AVCFMediaSelectionOption.strings
• C:\Program Files\iTunes\AVFoundationCF.resources\fi.lproj\AVCFError.strings
• C:\Program Files\iTunes\AVFoundationCF.resources\fi.lproj\AVCFMediaSelectionOption.strings
• C:\Program Files\iTunes\AVFoundationCF.resources\French.lproj\AVCFError.strings
• C:\Program Files\iTunes\AVFoundationCF.resources\French.lproj\AVCFMediaSelectionOption.strings
• C:\Program Files\iTunes\AVFoundationCF.resources\German.lproj\AVCFError.strings
• C:\Program Files\iTunes\AVFoundationCF.resources\German.lproj\AVCFMediaSelectionOption.strings
• C:\Program Files\iTunes\AVFoundationCF.resources\he.lproj\AVCFError.strings
• C:\Program Files\iTunes\AVFoundationCF.resources\he.lproj\AVCFMediaSelectionOption.strings
• C:\Program Files\iTunes\AVFoundationCF.resources\hr.lproj\AVCFError.strings
• C:\Program Files\iTunes\AVFoundationCF.resources\hr.lproj\AVCFMediaSelectionOption.strings
• C:\Program Files\iTunes\AVFoundationCF.resources\hu.lproj\AVCFError.strings
• C:\Program Files\iTunes\AVFoundationCF.resources\hu.lproj\AVCFMediaSelectionOption.strings
• C:\Program Files\iTunes\AVFoundationCF.resources\id.lproj\AVCFError.strings
• C:\Program Files\iTunes\AVFoundationCF.resources\id.lproj\AVCFMediaSelectionOption.strings
• C:\Program Files\iTunes\AVFoundationCF.resources\Info.plist
• C:\Program Files\iTunes\AVFoundationCF.resources\Italian.lproj\AVCFError.strings
• C:\Program Files\iTunes\AVFoundationCF.resources\Italian.lproj\AVCFMediaSelectionOption.strings
• C:\Program Files\iTunes\AVFoundationCF.resources\Japanese.lproj\AVCFError.strings
• C:\Program Files\iTunes\AVFoundationCF.resources\Japanese.lproj\AVCFMediaSelectionOption.strings
• C:\Program Files\iTunes\AVFoundationCF.resources\ko.lproj\AVCFError.strings
• C:\Program Files\iTunes\AVFoundationCF.resources\ko.lproj\AVCFMediaSelectionOption.strings
• C:\Program Files\iTunes\AVFoundationCF.resources\ms.lproj\AVCFError.strings
• C:\Program Files\iTunes\AVFoundationCF.resources\ms.lproj\AVCFMediaSelectionOption.strings
• C:\Program Files\iTunes\AVFoundationCF.resources\nb.lproj\AVCFError.strings
• C:\Program Files\iTunes\AVFoundationCF.resources\nb.lproj\AVCFMediaSelectionOption.strings
• C:\Program Files\iTunes\AVFoundationCF.resources\pl.lproj\AVCFError.strings
• C:\Program Files\iTunes\AVFoundationCF.resources\pl.lproj\AVCFMediaSelectionOption.strings
• C:\Program Files\iTunes\AVFoundationCF.resources\pt.lproj\AVCFError.strings
• C:\Program Files\iTunes\AVFoundationCF.resources\pt.lproj\AVCFMediaSelectionOption.strings
• C:\Program Files\iTunes\AVFoundationCF.resources\pt_PT.lproj\AVCFError.strings
• C:\Program Files\iTunes\AVFoundationCF.resources\pt_PT.lproj\AVCFMediaSelectionOption.strings
• C:\Program Files\iTunes\AVFoundationCF.resources\ro.lproj\AVCFError.strings
• C:\Program Files\iTunes\AVFoundationCF.resources\ro.lproj\AVCFMediaSelectionOption.strings
• C:\Program Files\iTunes\AVFoundationCF.resources\ru.lproj\AVCFError.strings
• C:\Program Files\iTunes\AVFoundationCF.resources\ru.lproj\AVCFMediaSelectionOption.strings
• C:\Program Files\iTunes\AVFoundationCF.resources\sk.lproj\AVCFError.strings

Usually the following registry data will not be removed:

• HKEY_CLASSES_ROOT\AppID\iTunes.exe
• HKEY_CLASSES_ROOT\Applications\iTunes.exe
• HKEY_CLASSES_ROOT\iTunes
• HKEY_CLASSES_ROOT\MIME\Database\Content Type\application/x-itunes-itls
• HKEY_CLASSES_ROOT\MIME\Database\Content Type\application/x-itunes-itms
• HKEY_CLASSES_ROOT\MIME\Database\Content Type\application/x-itunes-itpc
• HKEY_CURRENT_USER\Software\Apple Computer, Inc.\iTunes
• HKEY_LOCAL_MACHINE\Software\Apple Computer, Inc.\iTunes
• HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Installer\Products\0A1CCE00CE2712E40AE39A42A229ECF1
• HKEY_LOCAL_MACHINE\Software\Clients\Media\iTunes
• HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Uninstall\{00ECC1A0-72EC-4E21-A03E-A9242A92CE1F}
• HKEY_LOCAL_MACHINE\Software\Synaptics\SynTP\Defaults\AppProfiles\Apple iTunes
• HKEY_LOCAL_MACHINE\Software\Synaptics\SynTPEnh\OSD\TouchPad\AppProfiles\Apple iTunes
• HKEY_LOCAL_MACHINE\Software\Synaptics\SynTPEnh\PlugInConfig\TouchPad\AppProfiles\Apple iTunes
• HKEY_LOCAL_MACHINE\Software\Wow6432Node\Classes\AppID\iTunes.exe
• HKEY_LOCAL_MACHINE\Software\Wow6432Node\Clients\Media\iTunes
• HKEY_LOCAL_MACHINE\Software\Wow6432Node\Microsoft\Windows\CurrentVersion\App Paths\iTunes.exe

Additional values that you should clean:

• HKEY_CLASSES_ROOT\.aa\OpenWithProgIds\iTunes.aa
• HKEY_CLASSES_ROOT\.aax\OpenWithProgIds\iTunes.aax
• HKEY_CLASSES_ROOT\.aif\OpenWithProgIds\iTunes.aif
• HKEY_CLASSES_ROOT\.aifc\OpenWithProgIds\iTunes.aifc
• HKEY_CLASSES_ROOT\.aiff\OpenWithProgIds\iTunes.aiff
• HKEY_CLASSES_ROOT\.cda\OpenWithProgIds\iTunes.cda
• HKEY_CLASSES_ROOT\.cdda\iTunes_back
• HKEY_CLASSES_ROOT\.cdda\OpenWithProgIds\iTunes.cdda
• HKEY_CLASSES_ROOT\.ipa\OpenWithProgids\iTunes.ipa
• HKEY_CLASSES_ROOT\.ipg\OpenWithProgids\iTunes.ipg
• HKEY_CLASSES_ROOT\.ipsw\OpenWithProgids\iTunes.ipsw
• HKEY_CLASSES_ROOT\.itb\OpenWithProgids\iTunes.itb
• HKEY_CLASSES_ROOT\.itdb\OpenWithProgids\iTunes.itdb
• HKEY_CLASSES_ROOT\.ite\OpenWithProgids\iTunes.ite
• HKEY_CLASSES_ROOT\.itl\OpenWithProgIds\iTunes.itl
• HKEY_CLASSES_ROOT\.itlp\OpenWithProgids\iTunes.itlp
• HKEY_CLASSES_ROOT\.itls\OpenWithProgIds\iTunes.itls
• HKEY_CLASSES_ROOT\.itms\OpenWithProgIds\iTunes.itms
• HKEY_CLASSES_ROOT\.itpc\OpenWithProgIds\iTunes.itpc
• HKEY_CLASSES_ROOT\.m3u\iTunes_back
• HKEY_CLASSES_ROOT\.m3u\OpenWithProgIds\iTunes.m3u
• HKEY_CLASSES_ROOT\.m3u8\iTunes_back
• HKEY_CLASSES_ROOT\.m3u8\OpenWithProgIds\iTunes.m3u8
• HKEY_CLASSES_ROOT\.m4a\iTunes_back
• HKEY_CLASSES_ROOT\.m4a\OpenWithProgIds\iTunes.m4a
• HKEY_CLASSES_ROOT\.m4b\OpenWithProgIds\iTunes.m4b
• HKEY_CLASSES_ROOT\.m4p\OpenWithProgIds\iTunes.m4p
• HKEY_CLASSES_ROOT\.m4r\iTunes_back
• HKEY_CLASSES_ROOT\.m4r\OpenWithProgIds\iTunes.m4r
• HKEY_CLASSES_ROOT\.m4v\OpenWithProgIds\iTunes.m4v
• HKEY_CLASSES_ROOT\.mov\OpenWithProgIds\iTunes.mov
• HKEY_CLASSES_ROOT\.mp2\iTunes_back
• HKEY_CLASSES_ROOT\.mp2\OpenWithProgIds\iTunes.mp2
• HKEY_CLASSES_ROOT\.mp3\iTunes_back
• HKEY_CLASSES_ROOT\.mp3\OpenWithProgIds\iTunes.mp3
• HKEY_CLASSES_ROOT\.mpeg\OpenWithProgIds\iTunes.mpeg
• HKEY_CLASSES_ROOT\.mpg\OpenWithProgIds\iTunes.mpg
• HKEY_CLASSES_ROOT\.pcast\OpenWithProgIds\iTunes.pcast
• HKEY_CLASSES_ROOT\.pls\iTunes_back
• HKEY_CLASSES_ROOT\.pls\OpenWithProgIds\iTunes.pls
• HKEY_CLASSES_ROOT\.rmp\OpenWithProgIds\iTunes.rmp
• HKEY_CLASSES_ROOT\.wav\iTunes_back
• HKEY_CLASSES_ROOT\.wav\OpenWithProgIds\iTunes.wav
• HKEY_CLASSES_ROOT\.wave\OpenWithProgIds\iTunes.wave
• HKEY_CLASSES_ROOT\Installer\Features\0A1CCE00CE2712E40AE39A42A229ECF1\iTunes
• HKEY_CLASSES_ROOT\Local Settings\MuiCache\ef\52C64B7E\@C:\Program Files\iTunes\iTunes.Resources\iTunesRegistry.dll,-203
• HKEY_CLASSES_ROOT\Local Settings\MuiCache\ef\52C64B7E\@C:\Program Files\iTunes\iTunes.Resources\iTunesRegistry.dll,-24
• HKEY_CLASSES_ROOT\Local Settings\Software\Microsoft\Windows\Shell\MuiCache\C:\Program Files\iTunes\iTunes.exe.ApplicationCompany
• HKEY_CLASSES_ROOT\Local Settings\Software\Microsoft\Windows\Shell\MuiCache\C:\Program Files\iTunes\iTunes.exe.FriendlyAppName
• HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Installer\Products\0A1CCE00CE2712E40AE39A42A229ECF1\ProductName
• HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Installer\Folders\C:\Program Files\iTunes\
• HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Installer\Folders\C:\WINDOWS\Installer\{00ECC1A0-72EC-4E21-A03E-A9242A92CE1F}\
• HKEY_LOCAL_MACHINE\System\CurrentControlSet\Services\bam\State\UserSettings\S-1-5-21-3681063487-604645226-3850074594-1001\\Device\HarddiskVolume5\Program Files\iTunes\iTunes.exe

A way to uninstall iTunes from your PC with Advanced Uninstaller PRO

iTunes is an application released by Apple Inc.. Sometimes, computer users want to uninstall it. Sometimes this can be efortful because deleting this by hand takes some advanced knowledge regarding Windows program uninstallation. The best SIMPLE approach to uninstall iTunes 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 Windows system, install it. This is a good step because Advanced Uninstaller PRO is a very potent uninstaller and all around tool to clean your Windows computer.

DOWNLOAD NOW

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

2. Start Advanced Uninstaller PRO. It's recommended to take your time to admire the program's interface and wealth of tools available. Advanced Uninstaller PRO is a very useful PC management program.

3. Press the General Tools button


4. Press the Uninstall Programs tool


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

6. Scroll the list of programs until you locate iTunes or simply activate the Search field and type in "iTunes". If it exists on your system the iTunes program will be found automatically. Notice that after you select iTunes in the list of apps, some data regarding the application is available to you:

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

For instance you can see that for iTunes:

• The web site of the program is: http://www.apple.com/
• The uninstall string is: MsiExec.exe /I{00ECC1A0-72EC-4E21-A03E-A9242A92CE1F}

7. Click the Uninstall button. A confirmation window will show up. accept the removal by pressing the Uninstall button. Advanced Uninstaller PRO will then remove iTunes.


8. After uninstalling iTunes, Advanced Uninstaller PRO will ask you to run an additional cleanup. Click Next to start the cleanup. All the items of iTunes that have been left behind will be found and you will be asked if you want to delete them. By uninstalling iTunes with Advanced Uninstaller PRO, you can be sure that no Windows registry items, files or directories are left behind on your PC.

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

Disclaimer

The text above is not a piece of advice to remove iTunes by Apple Inc. from your PC, nor are we saying that iTunes by Apple Inc. is not a good application for your PC. This text only contains detailed info on how to remove iTunes in case you decide this is what you want to do. Here you can find registry and disk entries that Advanced Uninstaller PRO stumbled upon and classified as "leftovers" on other users' computers.