HikCentral Professional

A guide to uninstall HikCentral Professional from your PC

HikCentral Professional is a Windows application. Read below about how to remove it from your computer. The Windows version was created by Hangzhou Hikvision Digital Technology Co., Ltd.. Take a look here for more details on Hangzhou Hikvision Digital Technology Co., Ltd.. HikCentral Professional is frequently installed in the C:\Program Files (x86)\HikCentral directory, however this location may vary a lot depending on the user's decision while installing the application. The full command line for uninstalling HikCentral Professional is C:\Users\Public\HikCentral\{0C3CB84E-DC40-42E1-9841-3D47C5863A0D}\uninstall.exe. Keep in mind that if you will type this command in Start / Run Note you may be prompted for administrator rights. The program's main executable file occupies 67.54 KB (69160 bytes) on disk and is called HikCentralControlClient.exe.

HikCentral Professional is comprised of the following executables which take 589.25 MB (617869280 bytes) on disk:

• 7za.exe (716.50 KB)
• BeePD.exe (744.54 KB)
• BeeWebEngineProcess.exe (428.54 KB)
• HikCentralControlClient.exe (67.54 KB)
• EXVSPlayer.exe (19.82 MB)
• RecordExe.exe (3.47 MB)
• VSPlayer.exe (35.82 MB)
• RemoteConfigCaller.exe (72.04 KB)
• FileCut.exe (412.50 KB)
• FileMerge.exe (403.50 KB)
• FormatConverter.exe (1.70 MB)
• RegionMask.exe (793.00 KB)
• VSPlayer.exe (1.26 MB)
• BeeAgent.exe (19.94 KB)
• BeeAgent_Exe64.exe (19.94 KB)
• PreInstall.exe (105.44 KB)
• StateService.exe (19.44 KB)
• BeeAgentGUI.exe (2.60 MB)
• PreInstall.exe (63.44 KB)
• BeeGuard.exe (924.94 KB)
• LogsAnalysisTool.exe (5.51 MB)
• clusterdb.exe (94.00 KB)
• createdb.exe (94.50 KB)
• createuser.exe (96.50 KB)
• dropdb.exe (91.00 KB)
• dropuser.exe (91.00 KB)
• ecpg.exe (859.50 KB)
• initdb.exe (184.00 KB)
• isolationtester.exe (68.00 KB)
• oid2name.exe (59.00 KB)
• pgbench.exe (177.50 KB)
• pg_archivecleanup.exe (68.50 KB)
• pg_basebackup.exe (146.00 KB)
• pg_config.exe (68.50 KB)
• pg_controldata.exe (80.50 KB)
• pg_ctl.exe (104.00 KB)
• pg_dump.exe (434.50 KB)
• pg_dumpall.exe (126.00 KB)
• pg_isolation_regress.exe (103.00 KB)
• pg_isready.exe (91.00 KB)
• pg_receivewal.exe (106.50 KB)
• pg_recvlogical.exe (109.00 KB)
• pg_regress.exe (103.00 KB)
• pg_regress_ecpg.exe (103.50 KB)
• pg_resetwal.exe (94.50 KB)
• pg_restore.exe (199.00 KB)
• pg_rewind.exe (121.00 KB)
• pg_standby.exe (65.00 KB)
• pg_test_fsync.exe (72.00 KB)
• pg_test_timing.exe (66.50 KB)
• pg_upgrade.exe (165.50 KB)
• pg_verify_checksums.exe (83.00 KB)
• pg_waldump.exe (118.50 KB)
• postgres.exe (6.89 MB)
• psql.exe (510.00 KB)
• reindexdb.exe (97.50 KB)
• stackbuilder.exe (343.68 KB)
• vacuumdb.exe (100.50 KB)
• vacuumlo.exe (59.50 KB)
• zic.exe (89.00 KB)
• CrashServerDamon.exe (16.94 KB)
• SADPServer.exe (19.94 KB)
• 7za.exe (286.00 KB)
• CrashServerDamon.exe (16.94 KB)
• stream.exe (15.44 KB)
• StreamServerApp.exe (48.44 KB)
• xmltool.exe (220.44 KB)
• SMSPlugin_Exe-B.exe (7.50 KB)
• 7za.exe (523.50 KB)
• CrashServerDamon.exe (29.04 KB)
• focsign.s.exe (232.54 KB)
• openssl.exe (495.50 KB)
• SYS.exe (28.54 KB)
• tvwall.s.exe (33.54 KB)
• wkhtmltopdf.exe (27.60 MB)
• CrashServerDamon.exe (16.94 KB)
• ThirdPluginServer.exe (16.44 KB)
• instsrv.exe (31.50 KB)
• nginx.exe (3.53 MB)
• srvany.exe (8.00 KB)
• WebComponents.exe (3.75 MB)
• WebComponents_HIK.exe (3.84 MB)
• HCWebControl.exe (57.04 MB)
• HikCentral_Professional_Client_2.0.2.20210618_Win_x64_Installer.exe (289.98 MB)
• ISCWebControl.exe (55.63 MB)
• VPWebControl.exe (55.82 MB)

...click to view all...

The current page applies to HikCentral Professional version 2.0.2 only. You can find here a few links to other HikCentral Professional versions:

• 2.3.0
• 2.3.1
• 2.2.1
• 2.6.1.20240816
• 2.4.0
• 2.5.1
• 1.5.1
• 1.7.0
• 2.1.0
• 1.4.0
• 1.5.0
• 1.7.1
• 2.1.1
• 2.2.0
• 2.6.2.20250121
• 1.4.2
• 1.6.0
• 2.6.0.20240511
• 2.4.1
• 2.0.1
• 2.5.0

...click to view all...
When you're planning to uninstall HikCentral Professional you should check if the following data is left behind on your PC.

You should delete the folders below after you uninstall HikCentral Professional:

• C:\Program Files (x86)\HikCentral

Check for and delete the following files from your disk when you uninstall HikCentral Professional:

• C:\Program Files (x86)\HikCentral\installation log\killprocess.log
• C:\Program Files (x86)\HikCentral\VSM Servers\Log\AlarmHost\AlarmHost.txt
• C:\Program Files (x86)\HikCentral\VSM Servers\Log\HCS\api_debug.log
• C:\Program Files (x86)\HikCentral\VSM Servers\Log\HCS\api_error.log
• C:\Program Files (x86)\HikCentral\VSM Servers\Log\HCS\api_info.log
• C:\Program Files (x86)\HikCentral\VSM Servers\Log\HCS\api_trace.log
• C:\Program Files (x86)\HikCentral\VSM Servers\Log\HCS\api_warn.log
• C:\Program Files (x86)\HikCentral\VSM Servers\Log\HCS\Rainbow_debug.log
• C:\Program Files (x86)\HikCentral\VSM Servers\Log\HCS\Rainbow_error.log
• C:\Program Files (x86)\HikCentral\VSM Servers\Log\HCS\Rainbow_fatal.log
• C:\Program Files (x86)\HikCentral\VSM Servers\Log\HCS\Rainbow_info.log
• C:\Program Files (x86)\HikCentral\VSM Servers\Log\HCS\Rainbow_trace.log
• C:\Program Files (x86)\HikCentral\VSM Servers\Log\HCS\Rainbow_warn.log
• C:\Program Files (x86)\HikCentral\VSM Servers\Log\SYS\alarm.s\Alarm.log
• C:\Program Files (x86)\HikCentral\VSM Servers\Log\SYS\alarm.s\Alarm_Debug.log
• C:\Program Files (x86)\HikCentral\VSM Servers\Log\SYS\alarm.s\AlarmProcess.log
• C:\Program Files (x86)\HikCentral\VSM Servers\Log\SYS\alarm.s\AlarmProcess_Debug.log
• C:\Program Files (x86)\HikCentral\VSM Servers\Log\SYS\alarm.s\Optimus.txt
• C:\Program Files (x86)\HikCentral\VSM Servers\Log\SYS\attendance.s\AttendanceModule.log
• C:\Program Files (x86)\HikCentral\VSM Servers\Log\SYS\baseacs.s\ACSAccessConfig.log
• C:\Program Files (x86)\HikCentral\VSM Servers\Log\SYS\baseacs.s\ACSAccessDetail.log
• C:\Program Files (x86)\HikCentral\VSM Servers\Log\SYS\baseacs.s\ACSAccessDownload.log
• C:\Program Files (x86)\HikCentral\VSM Servers\Log\SYS\baseacs.s\ACSApplication.log
• C:\Program Files (x86)\HikCentral\VSM Servers\Log\SYS\baseacs.s\ACSEvent.log
• C:\Program Files (x86)\HikCentral\VSM Servers\Log\SYS\baseacs.s\AcsMaintain.log
• C:\Program Files (x86)\HikCentral\VSM Servers\Log\SYS\baseacs.s\PriorityLogger.log
• C:\Program Files (x86)\HikCentral\VSM Servers\Log\SYS\baseacs.s\VideoIntercom.log
• C:\Program Files (x86)\HikCentral\VSM Servers\Log\SYS\basevideo.s\basevideo.log
• C:\Program Files (x86)\HikCentral\VSM Servers\Log\SYS\basevideo.s\commonurl.log
• C:\Program Files (x86)\HikCentral\VSM Servers\Log\SYS\basevideo.s\dockstationgroup.log
• C:\Program Files (x86)\HikCentral\VSM Servers\Log\SYS\basevideo.s\Ehomesms.log
• C:\Program Files (x86)\HikCentral\VSM Servers\Log\SYS\basevideo.s\evidence.log
• C:\Program Files (x86)\HikCentral\VSM Servers\Log\SYS\basevideo.s\label.log
• C:\Program Files (x86)\HikCentral\VSM Servers\Log\SYS\basevideo.s\MasterSlaveTracking.log
• C:\Program Files (x86)\HikCentral\VSM Servers\Log\SYS\basevideo.s\ptz.log
• C:\Program Files (x86)\HikCentral\VSM Servers\Log\SYS\basevideo.s\recordsetting.log
• C:\Program Files (x86)\HikCentral\VSM Servers\Log\SYS\basevideo.s\specifiedwindow.log
• C:\Program Files (x86)\HikCentral\VSM Servers\Log\SYS\basevideo.s\thermometry.log
• C:\Program Files (x86)\HikCentral\VSM Servers\Log\SYS\basevideo.s\videotracking.log
• C:\Program Files (x86)\HikCentral\VSM Servers\Log\SYS\bi.s\BI.log
• C:\Program Files (x86)\HikCentral\VSM Servers\Log\SYS\bi.s\BIHeatMapDurationInfo.log
• C:\Program Files (x86)\HikCentral\VSM Servers\Log\SYS\bi.s\BIHeatMapDurationInfoHistory.log
• C:\Program Files (x86)\HikCentral\VSM Servers\Log\SYS\bi.s\BIHeatMapDurationMatrix.log
• C:\Program Files (x86)\HikCentral\VSM Servers\Log\SYS\bi.s\BIHeatMapDurationMatrixHistory.log
• C:\Program Files (x86)\HikCentral\VSM Servers\Log\SYS\bi.s\BIHeatMapPDCInfo.log
• C:\Program Files (x86)\HikCentral\VSM Servers\Log\SYS\bi.s\BIHeatMapPDCInfoHistory.log
• C:\Program Files (x86)\HikCentral\VSM Servers\Log\SYS\bi.s\BIHeatMapPDCMatrix.log
• C:\Program Files (x86)\HikCentral\VSM Servers\Log\SYS\bi.s\BIHeatMapPDCMatrixHistory.log
• C:\Program Files (x86)\HikCentral\VSM Servers\Log\SYS\bi.s\BIIntersectionHistory.log
• C:\Program Files (x86)\HikCentral\VSM Servers\Log\SYS\bi.s\BIIntesection.log
• C:\Program Files (x86)\HikCentral\VSM Servers\Log\SYS\bi.s\BIPassengerFlow.log
• C:\Program Files (x86)\HikCentral\VSM Servers\Log\SYS\bi.s\BIPassengerFlowHistory.log
• C:\Program Files (x86)\HikCentral\VSM Servers\Log\SYS\bi.s\BIPeopleSituation.log
• C:\Program Files (x86)\HikCentral\VSM Servers\Log\SYS\bi.s\BIPersonStatistics.log
• C:\Program Files (x86)\HikCentral\VSM Servers\Log\SYS\bi.s\BIQueueUpAlarm.log
• C:\Program Files (x86)\HikCentral\VSM Servers\Log\SYS\bi.s\BIRemoteRG.log
• C:\Program Files (x86)\HikCentral\VSM Servers\Log\SYS\bi.s\BIRGRealTime.log
• C:\Program Files (x86)\HikCentral\VSM Servers\Log\SYS\bi.s\BIThemalTemp.log
• C:\Program Files (x86)\HikCentral\VSM Servers\Log\SYS\bi.s\BIThermalAlarm.log
• C:\Program Files (x86)\HikCentral\VSM Servers\Log\SYS\bi.s\BIVehicleNum.log
• C:\Program Files (x86)\HikCentral\VSM Servers\Log\SYS\default.log
• C:\Program Files (x86)\HikCentral\VSM Servers\Log\SYS\deviceaccess.d\CapabilitySet.log
• C:\Program Files (x86)\HikCentral\VSM Servers\Log\SYS\deviceaccess.d\DBupgrade.log
• C:\Program Files (x86)\HikCentral\VSM Servers\Log\SYS\deviceaccess.d\deviceaccess.d.log
• C:\Program Files (x86)\HikCentral\VSM Servers\Log\SYS\deviceaccess.d\deviceevent.log
• C:\Program Files (x86)\HikCentral\VSM Servers\Log\SYS\DeviceCommunication\DeviceCommunication.log
• C:\Program Files (x86)\HikCentral\VSM Servers\Log\SYS\DeviceCommunication\DockStation.log
• C:\Program Files (x86)\HikCentral\VSM Servers\Log\SYS\DeviceCommunication\EhomeSDKCommunication.log
• C:\Program Files (x86)\HikCentral\VSM Servers\Log\SYS\DeviceCommunication\NetSDKCommunication.log
• C:\Program Files (x86)\HikCentral\VSM Servers\Log\SYS\DeviceCommunication\ThirdPluginCommunication.log
• C:\Program Files (x86)\HikCentral\VSM Servers\Log\SYS\deviceoperation.d\ACSAccessDownload.log
• C:\Program Files (x86)\HikCentral\VSM Servers\Log\SYS\deviceoperation.d\ACSModule.log
• C:\Program Files (x86)\HikCentral\VSM Servers\Log\SYS\deviceoperation.d\deviceoperation.d.log
• C:\Program Files (x86)\HikCentral\VSM Servers\Log\SYS\devrsc.s\devrsc.txt
• C:\Program Files (x86)\HikCentral\VSM Servers\Log\SYS\focsign.s\BeeLPCClient\BeeLPCClientError.log
• C:\Program Files (x86)\HikCentral\VSM Servers\Log\SYS\focsign.s\BeeLPCClient\BeeLPCClientInfo.log
• C:\Program Files (x86)\HikCentral\VSM Servers\Log\SYS\focsign.s\BeeLPCClient\BeeLPCClientTrace.log
• C:\Program Files (x86)\HikCentral\VSM Servers\Log\SYS\focsign.s\BeeLPCClient\BeeLPCClientWarning.log
• C:\Program Files (x86)\HikCentral\VSM Servers\Log\SYS\focsign.s\focsign.s.log
• C:\Program Files (x86)\HikCentral\VSM Servers\Log\SYS\FocSignAccess\FocSignAccess.txt
• C:\Program Files (x86)\HikCentral\VSM Servers\Log\SYS\integration.s\DataDock.log
• C:\Program Files (x86)\HikCentral\VSM Servers\Log\SYS\integration.s\integration.log
• C:\Program Files (x86)\HikCentral\VSM Servers\Log\SYS\intelligencebiz.s\AIService.log
• C:\Program Files (x86)\HikCentral\VSM Servers\Log\SYS\intrusionalarm.s\Event.log
• C:\Program Files (x86)\HikCentral\VSM Servers\Log\SYS\intrusionalarm.s\IntrusionAlarm.log
• C:\Program Files (x86)\HikCentral\VSM Servers\Log\SYS\intrusionalarm.s\RadarTrail.log
• C:\Program Files (x86)\HikCentral\VSM Servers\Log\SYS\map.s\Emap.txt
• C:\Program Files (x86)\HikCentral\VSM Servers\Log\SYS\platform\AccessRoute.txt
• C:\Program Files (x86)\HikCentral\VSM Servers\Log\SYS\platform\ADResource.txt
• C:\Program Files (x86)\HikCentral\VSM Servers\Log\SYS\platform\ANPR.txt
• C:\Program Files (x86)\HikCentral\VSM Servers\Log\SYS\platform\AuditSystem.txt
• C:\Program Files (x86)\HikCentral\VSM Servers\Log\SYS\platform\BeeFileStorage.txt
• C:\Program Files (x86)\HikCentral\VSM Servers\Log\SYS\platform\BeeLicenseService.txt
• C:\Program Files (x86)\HikCentral\VSM Servers\Log\SYS\platform\BeeNet.txt
• C:\Program Files (x86)\HikCentral\VSM Servers\Log\SYS\platform\BeePushServer.txt
• C:\Program Files (x86)\HikCentral\VSM Servers\Log\SYS\platform\DashBoard.txt
• C:\Program Files (x86)\HikCentral\VSM Servers\Log\SYS\platform\DBLayerLog.txt
• C:\Program Files (x86)\HikCentral\VSM Servers\Log\SYS\platform\DISTRIBUTEDNODE.txt
• C:\Program Files (x86)\HikCentral\VSM Servers\Log\SYS\platform\DockStation.txt
• C:\Program Files (x86)\HikCentral\VSM Servers\Log\SYS\platform\Ehome.txt

Registry that is not cleaned:

• HKEY_CURRENT_USER\Software\Trolltech\OrganizationDefaults\Qt Factory Cache 4.8\com.trolltech.Qt.QTextCodecFactoryInterface:\C:\Users\UserName\AppData\Roaming\HikCentral
• HKEY_CURRENT_USER\Software\Trolltech\OrganizationDefaults\Qt Plugin Cache 4.8.false\C:\Users\UserName\AppData\Roaming\HikCentral
• HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Uninstall\{0C3CB84E-DC40-42E1-9841-3D47C5863A0D}

Supplementary registry values that are not removed:

• HKEY_CLASSES_ROOT\Local Settings\Software\Microsoft\Windows\Shell\MuiCache\C:\Users\UserName\AppData\Local\Temp\MicrosoftEdgeDownloads\fa720347-3ca0-4e07-a215-899e55939b99\HikCentral_Professional_Client_2.1.1.20210930_Win_x64_Installer.exe.ApplicationCompany
• HKEY_CLASSES_ROOT\Local Settings\Software\Microsoft\Windows\Shell\MuiCache\C:\Users\UserName\AppData\Local\Temp\MicrosoftEdgeDownloads\fa720347-3ca0-4e07-a215-899e55939b99\HikCentral_Professional_Client_2.1.1.20210930_Win_x64_Installer.exe.FriendlyAppName
• HKEY_CLASSES_ROOT\Local Settings\Software\Microsoft\Windows\Shell\MuiCache\C:\Users\UserName\AppData\Roaming\HikCentral\Client\VSPlayer\VSPlayer.exe.FriendlyAppName
• HKEY_CLASSES_ROOT\Local Settings\Software\Microsoft\Windows\Shell\MuiCache\C:\Users\UserName\Desktop\HikCentral_Professional_Control_Client_V2.0.2.20210630171205_Win_x64_Installer.exe.ApplicationCompany
• HKEY_CLASSES_ROOT\Local Settings\Software\Microsoft\Windows\Shell\MuiCache\C:\Users\UserName\Desktop\HikCentral_Professional_Control_Client_V2.0.2.20210630171205_Win_x64_Installer.exe.FriendlyAppName
• HKEY_CLASSES_ROOT\Local Settings\Software\Microsoft\Windows\Shell\MuiCache\C:\Users\UserName\Desktop\HikCentral-Access-Control_V2.1.1.202309131426_Win_x64_Installer.exe.ApplicationCompany
• HKEY_CLASSES_ROOT\Local Settings\Software\Microsoft\Windows\Shell\MuiCache\C:\Users\UserName\Desktop\HikCentral-Access-Control_V2.1.1.202309131426_Win_x64_Installer.exe.FriendlyAppName
• HKEY_CLASSES_ROOT\Local Settings\Software\Microsoft\Windows\Shell\MuiCache\C:\Users\Public\HikCentral\{E4197C07-D076-43DE-8122-0F96E1A6A516}\uninstall.exe.ApplicationCompany
• HKEY_CLASSES_ROOT\Local Settings\Software\Microsoft\Windows\Shell\MuiCache\C:\Users\Public\HikCentral\{E4197C07-D076-43DE-8122-0F96E1A6A516}\uninstall.exe.FriendlyAppName
• HKEY_LOCAL_MACHINE\System\CurrentControlSet\Services\bam\State\UserSettings\S-1-5-21-1325382228-2888520693-91029939-1001\\Device\HarddiskVolume6\Users\UserName\AppData\Roaming\HikCentral\Client\HikCentralControlClient.exe
• HKEY_LOCAL_MACHINE\System\CurrentControlSet\Services\bam\State\UserSettings\S-1-5-21-1325382228-2888520693-91029939-1001\\Device\HarddiskVolume6\Users\UserName\AppData\Roaming\HikCentral\Client\VSPlayer\VSPlayer.exe
• HKEY_LOCAL_MACHINE\System\CurrentControlSet\Services\bam\State\UserSettings\S-1-5-21-1325382228-2888520693-91029939-1001\\Device\HarddiskVolume6\Users\Public\HikCentral\{0C3CB84E-DC40-42E1-9841-3D47C5863A0D}\uninstall.exe
• HKEY_LOCAL_MACHINE\System\CurrentControlSet\Services\bam\State\UserSettings\S-1-5-21-1325382228-2888520693-91029939-1001\\Device\HarddiskVolume6\Users\Public\HikCentral\{E4197C07-D076-43DE-8122-0F96E1A6A516}\uninstall.exe
• HKEY_LOCAL_MACHINE\System\CurrentControlSet\Services\PostgreSQL\ImagePath
• HKEY_LOCAL_MACHINE\System\CurrentControlSet\Services\SYS\ImagePath

A way to remove HikCentral Professional from your PC with the help of Advanced Uninstaller PRO

HikCentral Professional is an application offered by Hangzhou Hikvision Digital Technology Co., Ltd.. Sometimes, computer users decide to remove this application. This is efortful because performing this manually requires some know-how related to PCs. One of the best EASY procedure to remove HikCentral Professional 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, add it. This is good because Advanced Uninstaller PRO is a very potent uninstaller and general tool to maximize the performance of your Windows system.

DOWNLOAD NOW

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

2. Run Advanced Uninstaller PRO. Take your time to get familiar with Advanced Uninstaller PRO's design and wealth of features available. Advanced Uninstaller PRO is a powerful system utility.

3. Press the General Tools category


4. Press the Uninstall Programs tool


5. A list of the applications existing on the PC will appear

6. Scroll the list of applications until you locate HikCentral Professional or simply activate the Search feature and type in "HikCentral Professional". If it exists on your system the HikCentral Professional application will be found automatically. When you select HikCentral Professional in the list of applications, the following information regarding the application is available to you:

• Star rating (in the left lower corner). The star rating tells you the opinion other users have regarding HikCentral Professional, from "Highly recommended" to "Very dangerous".
• Opinions by other users - Press the Read reviews button.
• Details regarding the app you are about to uninstall, by pressing the Properties button.

7. Click the Uninstall button. A confirmation page will come up. accept the removal by clicking the Uninstall button. Advanced Uninstaller PRO will automatically uninstall HikCentral Professional.


8. After removing HikCentral Professional, Advanced Uninstaller PRO will offer to run a cleanup. Press Next to perform the cleanup. All the items that belong HikCentral Professional which have been left behind will be found and you will be able to delete them. By removing HikCentral Professional with Advanced Uninstaller PRO, you can be sure that no Windows registry items, files or directories are left behind on your system.

Your Windows PC will remain clean, speedy and able to serve you properly.

Disclaimer

This page is not a piece of advice to remove HikCentral Professional by Hangzhou Hikvision Digital Technology Co., Ltd. from your PC, we are not saying that HikCentral Professional by Hangzhou Hikvision Digital Technology Co., Ltd. is not a good application. This text only contains detailed instructions on how to remove HikCentral Professional in case you want to. Here you can find registry and disk entries that our application Advanced Uninstaller PRO stumbled upon and classified as "leftovers" on other users' PCs.