Advanced SystemCare Ultimate

A guide to uninstall Advanced SystemCare Ultimate from your system

You can find below details on how to uninstall Advanced SystemCare Ultimate for Windows. It was developed for Windows by IObit. Go over here for more info on IObit. Click on https://www.iobit.com/ to get more data about Advanced SystemCare Ultimate on IObit's website. The application is frequently found in the C:\Program Files (x86)\IObit\Advanced SystemCare Ultimate directory. Take into account that this location can differ being determined by the user's decision. Advanced SystemCare Ultimate's entire uninstall command line is C:\Program Files (x86)\IObit\Advanced SystemCare Ultimate\unins000.exe. The program's main executable file is labeled ASC.exe and occupies 10.69 MB (11204312 bytes).

The following executable files are incorporated in Advanced SystemCare Ultimate. They occupy 99.49 MB (104318136 bytes) on disk.

• About.exe (772.36 KB)
• ActionCenterDownloader.exe (2.43 MB)
• ASC.exe (10.69 MB)
• ASCAntivirusFix.exe (1.98 MB)
• ASCAntivirusTips.exe (1.15 MB)
• ASCAntivirusUSB.exe (742.36 KB)
• ASCAvSvc.exe (1.83 MB)
• ASCAvWsc.exe (332.36 KB)
• ASCDownload.exe (1.53 MB)
• ASCFeature.exe (493.85 KB)
• ASCInit.exe (1.19 MB)
• ascscan.exe (213.63 KB)
• ASCService.exe (1.81 MB)
• ASCTray.exe (3.72 MB)
• AscuElamSvc.exe (3.95 MB)
• ASCUpgrade.exe (1.33 MB)
• ASCVER.exe (1.94 MB)
• AutoCare.exe (3.17 MB)
• AutoReactivator.exe (306.56 KB)
• AutoSweep.exe (1.42 MB)
• AutoUpdate.exe (3.31 MB)
• BrowserCleaner.exe (1.44 MB)
• BrowserProtect.exe (1.77 MB)
• delayLoad.exe (256.63 KB)
• DiskDefrag.exe (32.13 KB)
• Display.exe (256.36 KB)
• DNSProtect.exe (820.56 KB)
• FeedBack.exe (2.19 MB)
• FileCopy.exe (537.63 KB)
• FWRules.exe (545.13 KB)
• IObitLiveUpdate.exe (3.05 MB)
• IWsASC.exe (62.15 KB)
• IWsASC10.exe (124.59 KB)
• IWsASC11.exe (173.94 KB)
• IWsASCXP.exe (36.27 KB)
• LocalLang.exe (229.13 KB)
• Monitor.exe (4.79 MB)
• MonitorDisk.exe (145.06 KB)
• PrivacyShield.exe (1.48 MB)
• ProductStat3.exe (1,013.51 KB)
• QuarEmpty.exe (126.63 KB)
• QuickSettings.exe (1.12 MB)
• RansomwarePop.exe (1.01 MB)
• Register.exe (5.07 MB)
• Reminder.exe (1.62 MB)
• ReProcess.exe (153.63 KB)
• RescueCenter.exe (3.30 MB)
• sdproxy.exe (97.63 KB)
• SendBugReportNew.exe (989.36 KB)
• smBootTime.exe (2.14 MB)
• smBootTimeBase.exe (1.59 MB)
• SoftUpdateTip.exe (1,013.85 KB)
• StartupInfo.exe (539.86 KB)
• unins000.exe (1.16 MB)
• UninstallInfo.exe (4.84 MB)
• RegistryDefragBootTime.exe (45.87 KB)
• RegistryDefragBootTime.exe (65.93 KB)
• RegistryDefragBootTime.exe (42.75 KB)
• RegistryDefragBootTime.exe (28.38 KB)
• RegistryDefragBootTime.exe (48.41 KB)
• RegistryDefragBootTime.exe (25.33 KB)
• RegistryDefragBootTime.exe (28.38 KB)
• RegistryDefragBootTime.exe (25.33 KB)
• RegistryDefragBootTime.exe (27.36 KB)
• RegistryDefragBootTime.exe (24.83 KB)
• RegistryDefragBootTime.exe (28.38 KB)
• RegistryDefragBootTime.exe (24.83 KB)
• DpInstX32.exe (1.19 MB)
• DpInstX64.exe (1.93 MB)
• ICONPIN32.exe (1,016.13 KB)
• ICONPIN64.exe (29.63 KB)
• SPNativeMessage_Edge.exe (1.45 MB)
• PluginInstall.exe (1.37 MB)
• SPUpdate.exe (1.46 MB)

...click to view all...

The current page applies to Advanced SystemCare Ultimate version 17.4.0 alone. Click on the links below for other Advanced SystemCare Ultimate versions:

• 16.6.0
• 16.3.0.30
• 17.1.0
• 1.0
• 15.0.0
• 14.1.0
• 16.2.0.18
• 14.3.0
• 15.4.0
• 17.2.0
• 15.0.1
• 13.0.0
• 14.6.0
• 16.2.0
• 13.5.0
• 17.0.0
• 16.7.0
• 16.5.0
• 13.1.0
• 17.3.0
• 16.3.0
• 16.4.0
• 13.3.0
• 15.2.0
• 14.0.1
• 13.3.0.146
• 16.0.0
• 14.4.0
• 14.0.0
• 13.2.0
• 15.3.0
• 15.5.0
• 16.1.0
• 13.4.0
• 15.1.0
• 13.2.0.135
• 15.0.1.77
• 16.6.0.101
• 14.5.0
• 14.2.0
• 13.0.1
• 16.1.0.16

...click to view all...
After the uninstall process, the application leaves some files behind on the PC. Part_A few of these are shown below.

Folders remaining:

• C:\Portable\Advanced SystemCare Pro v17.4.0.242 Multilingual Portable\App\AdvancedSystemCare
• C:\Users\%user%\AppData\Roaming\IObit.BackupByIObit Malware Fighter\Advanced SystemCare
• C:\Users\%user%\AppData\Roaming\IObit\Advanced SystemCare
• C:\Users\%user%\AppData\Roaming\IObit\IObit\Advanced SystemCare

The files below are left behind on your disk when you remove Advanced SystemCare Ultimate:

• C:\Portable\Advanced SystemCare Pro v17.4.0.242 Multilingual Portable\App\AdvancedSystemCare\About.exe
• C:\Portable\Advanced SystemCare Pro v17.4.0.242 Multilingual Portable\App\AdvancedSystemCare\ActionCenter\img_recommends.png
• C:\Portable\Advanced SystemCare Pro v17.4.0.242 Multilingual Portable\App\AdvancedSystemCare\ActionCenterDownloader.exe
• C:\Portable\Advanced SystemCare Pro v17.4.0.242 Multilingual Portable\App\AdvancedSystemCare\Antivirus\bdardrv.dll
• C:\Portable\Advanced SystemCare Pro v17.4.0.242 Multilingual Portable\App\AdvancedSystemCare\Antivirus\bdcore.dll
• C:\Portable\Advanced SystemCare Pro v17.4.0.242 Multilingual Portable\App\AdvancedSystemCare\Antivirus\bdquar.dll
• C:\Portable\Advanced SystemCare Pro v17.4.0.242 Multilingual Portable\App\AdvancedSystemCare\Antivirus\bdsmartdb.dll
• C:\Portable\Advanced SystemCare Pro v17.4.0.242 Multilingual Portable\App\AdvancedSystemCare\Antivirus\OEMDetection.dll
• C:\Portable\Advanced SystemCare Pro v17.4.0.242 Multilingual Portable\App\AdvancedSystemCare\Antivirus\OEMUninstall.dll
• C:\Portable\Advanced SystemCare Pro v17.4.0.242 Multilingual Portable\App\AdvancedSystemCare\Antivirus\Plugins\cache.000
• C:\Portable\Advanced SystemCare Pro v17.4.0.242 Multilingual Portable\App\AdvancedSystemCare\Antivirus\Plugins\cache.001
• C:\Portable\Advanced SystemCare Pro v17.4.0.242 Multilingual Portable\App\AdvancedSystemCare\Antivirus\Plugins\cache.002
• C:\Portable\Advanced SystemCare Pro v17.4.0.242 Multilingual Portable\App\AdvancedSystemCare\Antivirus\Plugins\cache.003
• C:\Portable\Advanced SystemCare Pro v17.4.0.242 Multilingual Portable\App\AdvancedSystemCare\Antivirus\Plugins\cache.004
• C:\Portable\Advanced SystemCare Pro v17.4.0.242 Multilingual Portable\App\AdvancedSystemCare\Antivirus\Plugins\cache.005
• C:\Portable\Advanced SystemCare Pro v17.4.0.242 Multilingual Portable\App\AdvancedSystemCare\Antivirus\Plugins\cache.006
• C:\Portable\Advanced SystemCare Pro v17.4.0.242 Multilingual Portable\App\AdvancedSystemCare\Antivirus\Plugins\cache.007
• C:\Portable\Advanced SystemCare Pro v17.4.0.242 Multilingual Portable\App\AdvancedSystemCare\Antivirus\Plugins\cache.008
• C:\Portable\Advanced SystemCare Pro v17.4.0.242 Multilingual Portable\App\AdvancedSystemCare\Antivirus\Plugins\cache.009
• C:\Portable\Advanced SystemCare Pro v17.4.0.242 Multilingual Portable\App\AdvancedSystemCare\Antivirus\Plugins\cache.010
• C:\Portable\Advanced SystemCare Pro v17.4.0.242 Multilingual Portable\App\AdvancedSystemCare\Antivirus\Plugins\cache.011
• C:\Portable\Advanced SystemCare Pro v17.4.0.242 Multilingual Portable\App\AdvancedSystemCare\Antivirus\Plugins\cache.012
• C:\Portable\Advanced SystemCare Pro v17.4.0.242 Multilingual Portable\App\AdvancedSystemCare\Antivirus\Plugins\cache.013
• C:\Portable\Advanced SystemCare Pro v17.4.0.242 Multilingual Portable\App\AdvancedSystemCare\Antivirus\Plugins\cache.014
• C:\Portable\Advanced SystemCare Pro v17.4.0.242 Multilingual Portable\App\AdvancedSystemCare\Antivirus\Plugins\cache.015
• C:\Portable\Advanced SystemCare Pro v17.4.0.242 Multilingual Portable\App\AdvancedSystemCare\Antivirus\scan.dll
• C:\Portable\Advanced SystemCare Pro v17.4.0.242 Multilingual Portable\App\AdvancedSystemCare\Antivirus\smartdbv2.dat
• C:\Portable\Advanced SystemCare Pro v17.4.0.242 Multilingual Portable\App\AdvancedSystemCare\Antivirus\trufos.dll
• C:\Portable\Advanced SystemCare Pro v17.4.0.242 Multilingual Portable\App\AdvancedSystemCare\ASC.exe
• C:\Portable\Advanced SystemCare Pro v17.4.0.242 Multilingual Portable\App\AdvancedSystemCare\ASCAvSvc.exe
• C:\Portable\Advanced SystemCare Pro v17.4.0.242 Multilingual Portable\App\AdvancedSystemCare\ascavsvc.log
• C:\Portable\Advanced SystemCare Pro v17.4.0.242 Multilingual Portable\App\AdvancedSystemCare\ascavsvc_dbg.log
• C:\Portable\Advanced SystemCare Pro v17.4.0.242 Multilingual Portable\App\AdvancedSystemCare\ascavsvc_Scan.log
• C:\Portable\Advanced SystemCare Pro v17.4.0.242 Multilingual Portable\App\AdvancedSystemCare\ASCDownload.exe
• C:\Portable\Advanced SystemCare Pro v17.4.0.242 Multilingual Portable\App\AdvancedSystemCare\ASCExtMenu.dll
• C:\Portable\Advanced SystemCare Pro v17.4.0.242 Multilingual Portable\App\AdvancedSystemCare\ASCExtMenu_64.dll
• C:\Portable\Advanced SystemCare Pro v17.4.0.242 Multilingual Portable\App\AdvancedSystemCare\ASCExtMenu_64_New.dll
• C:\Portable\Advanced SystemCare Pro v17.4.0.242 Multilingual Portable\App\AdvancedSystemCare\ASCExtMenu_New.dll
• C:\Portable\Advanced SystemCare Pro v17.4.0.242 Multilingual Portable\App\AdvancedSystemCare\ASCFeature.exe
• C:\Portable\Advanced SystemCare Pro v17.4.0.242 Multilingual Portable\App\AdvancedSystemCare\ASCInit.exe
• C:\Portable\Advanced SystemCare Pro v17.4.0.242 Multilingual Portable\App\AdvancedSystemCare\ASCTray.exe
• C:\Portable\Advanced SystemCare Pro v17.4.0.242 Multilingual Portable\App\AdvancedSystemCare\ASCUpgrade.exe
• C:\Portable\Advanced SystemCare Pro v17.4.0.242 Multilingual Portable\App\AdvancedSystemCare\ASCVER.exe
• C:\Portable\Advanced SystemCare Pro v17.4.0.242 Multilingual Portable\App\AdvancedSystemCare\ASCService.exe
• C:\Portable\Advanced SystemCare Pro v17.4.0.242 Multilingual Portable\App\AdvancedSystemCare\ASCService.log
• C:\Portable\Advanced SystemCare Pro v17.4.0.242 Multilingual Portable\App\AdvancedSystemCare\ASCService_Pr.log
• C:\Portable\Advanced SystemCare Pro v17.4.0.242 Multilingual Portable\App\AdvancedSystemCare\AutoCare.exe
• C:\Portable\Advanced SystemCare Pro v17.4.0.242 Multilingual Portable\App\AdvancedSystemCare\AutoRamClean.exe
• C:\Portable\Advanced SystemCare Pro v17.4.0.242 Multilingual Portable\App\AdvancedSystemCare\AutoReactivator.exe
• C:\Portable\Advanced SystemCare Pro v17.4.0.242 Multilingual Portable\App\AdvancedSystemCare\AutoSweep.exe
• C:\Portable\Advanced SystemCare Pro v17.4.0.242 Multilingual Portable\App\AdvancedSystemCare\AutoUpdate.exe
• C:\Portable\Advanced SystemCare Pro v17.4.0.242 Multilingual Portable\App\AdvancedSystemCare\BrowserCleaner.exe
• C:\Portable\Advanced SystemCare Pro v17.4.0.242 Multilingual Portable\App\AdvancedSystemCare\BrowserProtect.exe
• C:\Portable\Advanced SystemCare Pro v17.4.0.242 Multilingual Portable\App\AdvancedSystemCare\Config\BigUpgrade.ini
• C:\Portable\Advanced SystemCare Pro v17.4.0.242 Multilingual Portable\App\AdvancedSystemCare\Config\Common.ini
• C:\Portable\Advanced SystemCare Pro v17.4.0.242 Multilingual Portable\App\AdvancedSystemCare\CPUIDInterface.dll
• C:\Portable\Advanced SystemCare Pro v17.4.0.242 Multilingual Portable\App\AdvancedSystemCare\cpuidsdk.dll
• C:\Portable\Advanced SystemCare Pro v17.4.0.242 Multilingual Portable\App\AdvancedSystemCare\Database\ActiveBoost.db
• C:\Portable\Advanced SystemCare Pro v17.4.0.242 Multilingual Portable\App\AdvancedSystemCare\Database\AutoUpdate.dat
• C:\Portable\Advanced SystemCare Pro v17.4.0.242 Multilingual Portable\App\AdvancedSystemCare\Database\Cus.dbd
• C:\Portable\Advanced SystemCare Pro v17.4.0.242 Multilingual Portable\App\AdvancedSystemCare\Database\Def.dbd
• C:\Portable\Advanced SystemCare Pro v17.4.0.242 Multilingual Portable\App\AdvancedSystemCare\Database\defaultProgramTzm.db
• C:\Portable\Advanced SystemCare Pro v17.4.0.242 Multilingual Portable\App\AdvancedSystemCare\Database\DriverCleanIgnore.dat
• C:\Portable\Advanced SystemCare Pro v17.4.0.242 Multilingual Portable\App\AdvancedSystemCare\Database\HomepageWhite.dbd
• C:\Portable\Advanced SystemCare Pro v17.4.0.242 Multilingual Portable\App\AdvancedSystemCare\Database\HomepageWhiteExe.dbd
• C:\Portable\Advanced SystemCare Pro v17.4.0.242 Multilingual Portable\App\AdvancedSystemCare\Database\HotHole.dat
• C:\Portable\Advanced SystemCare Pro v17.4.0.242 Multilingual Portable\App\AdvancedSystemCare\Database\ignore.dbd
• C:\Portable\Advanced SystemCare Pro v17.4.0.242 Multilingual Portable\App\AdvancedSystemCare\Database\InBoxDriverFeature\vista32.ini
• C:\Portable\Advanced SystemCare Pro v17.4.0.242 Multilingual Portable\App\AdvancedSystemCare\Database\InBoxDriverFeature\vista64.ini
• C:\Portable\Advanced SystemCare Pro v17.4.0.242 Multilingual Portable\App\AdvancedSystemCare\Database\InBoxDriverFeature\win1032.ini
• C:\Portable\Advanced SystemCare Pro v17.4.0.242 Multilingual Portable\App\AdvancedSystemCare\Database\InBoxDriverFeature\win1064.ini
• C:\Portable\Advanced SystemCare Pro v17.4.0.242 Multilingual Portable\App\AdvancedSystemCare\Database\InBoxDriverFeature\win732.ini
• C:\Portable\Advanced SystemCare Pro v17.4.0.242 Multilingual Portable\App\AdvancedSystemCare\Database\InBoxDriverFeature\win764.ini
• C:\Portable\Advanced SystemCare Pro v17.4.0.242 Multilingual Portable\App\AdvancedSystemCare\Database\InBoxDriverFeature\win8_132.ini
• C:\Portable\Advanced SystemCare Pro v17.4.0.242 Multilingual Portable\App\AdvancedSystemCare\Database\InBoxDriverFeature\win8_164.ini
• C:\Portable\Advanced SystemCare Pro v17.4.0.242 Multilingual Portable\App\AdvancedSystemCare\Database\InBoxDriverFeature\Win832.ini
• C:\Portable\Advanced SystemCare Pro v17.4.0.242 Multilingual Portable\App\AdvancedSystemCare\Database\InBoxDriverFeature\Win864.ini
• C:\Portable\Advanced SystemCare Pro v17.4.0.242 Multilingual Portable\App\AdvancedSystemCare\Database\Opt.dbd
• C:\Portable\Advanced SystemCare Pro v17.4.0.242 Multilingual Portable\App\AdvancedSystemCare\Database\Prishield.dbd
• C:\Portable\Advanced SystemCare Pro v17.4.0.242 Multilingual Portable\App\AdvancedSystemCare\Database\PrishieldIgnore.dbd
• C:\Portable\Advanced SystemCare Pro v17.4.0.242 Multilingual Portable\App\AdvancedSystemCare\Database\PriTemp.dbd
• C:\Portable\Advanced SystemCare Pro v17.4.0.242 Multilingual Portable\App\AdvancedSystemCare\Database\Reg.dbd
• C:\Portable\Advanced SystemCare Pro v17.4.0.242 Multilingual Portable\App\AdvancedSystemCare\Database\Register.dat
• C:\Portable\Advanced SystemCare Pro v17.4.0.242 Multilingual Portable\App\AdvancedSystemCare\Database\startupBlack.db
• C:\Portable\Advanced SystemCare Pro v17.4.0.242 Multilingual Portable\App\AdvancedSystemCare\Database\StartupDRate.db
• C:\Portable\Advanced SystemCare Pro v17.4.0.242 Multilingual Portable\App\AdvancedSystemCare\Database\StartupInfoBlack.db
• C:\Portable\Advanced SystemCare Pro v17.4.0.242 Multilingual Portable\App\AdvancedSystemCare\Database\startupService.db
• C:\Portable\Advanced SystemCare Pro v17.4.0.242 Multilingual Portable\App\AdvancedSystemCare\Database\startupSignature.db
• C:\Portable\Advanced SystemCare Pro v17.4.0.242 Multilingual Portable\App\AdvancedSystemCare\Database\startupWhite.db
• C:\Portable\Advanced SystemCare Pro v17.4.0.242 Multilingual Portable\App\AdvancedSystemCare\Database\SysSpeed.dbd
• C:\Portable\Advanced SystemCare Pro v17.4.0.242 Multilingual Portable\App\AdvancedSystemCare\Database\TurboBoostGame.dbd
• C:\Portable\Advanced SystemCare Pro v17.4.0.242 Multilingual Portable\App\AdvancedSystemCare\Database\UninstallRote.dbd
• C:\Portable\Advanced SystemCare Pro v17.4.0.242 Multilingual Portable\App\AdvancedSystemCare\dataexchange.dll
• C:\Portable\Advanced SystemCare Pro v17.4.0.242 Multilingual Portable\App\AdvancedSystemCare\datastate.dll
• C:\Portable\Advanced SystemCare Pro v17.4.0.242 Multilingual Portable\App\AdvancedSystemCare\delayLoad.exe
• C:\Portable\Advanced SystemCare Pro v17.4.0.242 Multilingual Portable\App\AdvancedSystemCare\DetectionEx.ini
• C:\Portable\Advanced SystemCare Pro v17.4.0.242 Multilingual Portable\App\AdvancedSystemCare\diagnosis.exe
• C:\Portable\Advanced SystemCare Pro v17.4.0.242 Multilingual Portable\App\AdvancedSystemCare\DiskDefrag.exe
• C:\Portable\Advanced SystemCare Pro v17.4.0.242 Multilingual Portable\App\AdvancedSystemCare\DiskScan,1.exe
• C:\Portable\Advanced SystemCare Pro v17.4.0.242 Multilingual Portable\App\AdvancedSystemCare\DiskScan,2.exe

Many times the following registry keys will not be cleaned:

• HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Uninstall\Advanced SystemCare Ultimate_is1

Registry values that are not removed from your PC:

• HKEY_LOCAL_MACHINE\System\CurrentControlSet\Services\ASCAntivirusSrv\ImagePath

A way to uninstall Advanced SystemCare Ultimate with Advanced Uninstaller PRO

Advanced SystemCare Ultimate is an application by the software company IObit. Sometimes, users try to remove it. Sometimes this is efortful because uninstalling this by hand takes some experience related to PCs. The best EASY procedure to remove Advanced SystemCare Ultimate 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 a very useful uninstaller and all around tool to optimize your Windows computer.

DOWNLOAD NOW

• 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 some time to get familiar with the program's design and number of functions available. Advanced Uninstaller PRO is a powerful system utility.

3. Press the General Tools button


4. Click on the Uninstall Programs tool


5. A list of the programs installed on your PC will be shown to you

6. Scroll the list of programs until you find Advanced SystemCare Ultimate or simply activate the Search feature and type in "Advanced SystemCare Ultimate". If it exists on your system the Advanced SystemCare Ultimate program will be found very quickly. After you select Advanced SystemCare Ultimate in the list , the following information regarding the application is made available to you:

• Safety rating (in the lower left corner). The star rating tells you the opinion other people have regarding Advanced SystemCare Ultimate, ranging from "Highly recommended" to "Very dangerous".
• Opinions by other people - Press the Read reviews button.
• Details regarding the program you wish to uninstall, by clicking on the Properties button.

For instance you can see that for Advanced SystemCare Ultimate:

• The publisher is: https://www.iobit.com/
• The uninstall string is: C:\Program Files (x86)\IObit\Advanced SystemCare Ultimate\unins000.exe

7. Click the Uninstall button. A confirmation window will show up. Confirm the uninstall by clicking the Uninstall button. Advanced Uninstaller PRO will automatically remove Advanced SystemCare Ultimate.


8. After uninstalling Advanced SystemCare Ultimate, Advanced Uninstaller PRO will offer to run an additional cleanup. Press Next to go ahead with the cleanup. All the items of Advanced SystemCare Ultimate which have been left behind will be found and you will be able to delete them. By removing Advanced SystemCare Ultimate using Advanced Uninstaller PRO, you can be sure that no registry entries, files or folders are left behind on your computer.

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

Disclaimer

The text above is not a recommendation to uninstall Advanced SystemCare Ultimate by IObit from your computer, we are not saying that Advanced SystemCare Ultimate by IObit is not a good application for your computer. This page only contains detailed instructions on how to uninstall Advanced SystemCare Ultimate supposing you want to. Here you can find registry and disk entries that Advanced Uninstaller PRO discovered and classified as "leftovers" on other users' computers.