Application System Update

A way to uninstall System Update from your computer

This page contains thorough information on how to uninstall System Update for Windows. It was coded for Windows by Lenovo. Go over here for more information on Lenovo. Click on to get more details about System Update on Lenovo's website. System Update is typically installed in the C:\Program Files (x86)\Lenovo\System Update folder, however this location may differ a lot depending on the user's choice while installing the program. The complete uninstall command line for System Update is MsiExec.exe /X{25C64847-B900-48AD-A164-1B4F9B774650}. System Update's main file takes around 476.50 KB (487936 bytes) and its name is 7za.exe.

System Update installs the following the executables on your PC, occupying about 2.77 MB (2904640 bytes) on disk.

  • 7za.exe (476.50 KB)
  • dm.exe (6.50 KB)
  • EnumCD.exe (26.00 KB)
  • Installer64.exe (8.00 KB)
  • mapdrv.exe (648.00 KB)
  • StartSuService.exe (25.30 KB)
  • SUService.exe (15.50 KB)
  • tpisysidsu.exe (94.56 KB)
  • tvsu.exe (645.30 KB)
  • TvsuCommandLauncher.exe (15.30 KB)
  • Tvsukernel.exe (192.80 KB)
  • TvtBiosCheck.exe (53.30 KB)
  • UACSdk.exe (89.30 KB)
  • UNCServer.exe (33.30 KB)
  • uncsetting.exe (25.30 KB)
  • IA.exe (37.56 KB)
  • MODNAME.exe (180.00 KB)
  • WINBIOS.EXE (100.00 KB)
  • TvsuRegistration.exe (164.00 KB) to view all...

The current web page applies to System Update version 4.00.0009 alone. Click on the links below for other System Update versions: to view all...
Numerous files, folders and registry entries will not be deleted when you want to remove System Update from your computer.

Directories found on disk:
  • C:\Program Files (x86)\Lenovo\System Update

The files below were left behind on your disk when you remove System Update:
  • C:\Program Files (x86)\Lenovo\System Update\7za.exe
  • C:\Program Files (x86)\Lenovo\System Update\Client.dll
  • C:\Program Files (x86)\Lenovo\System Update\Common.dll
  • C:\Program Files (x86)\Lenovo\System Update\default\default.reg
  • C:\Program Files (x86)\Lenovo\System Update\dm.exe
  • C:\Program Files (x86)\Lenovo\System Update\egather\antlr.runtime.dll
  • C:\Program Files (x86)\Lenovo\System Update\egather\App.config
  • C:\Program Files (x86)\Lenovo\System Update\egather\CopyrightInfo.TXT
  • C:\Program Files (x86)\Lenovo\System Update\egather\egather.xsd
  • C:\Program Files (x86)\Lenovo\System Update\egather\en\IAViewer.resources.dll
  • C:\Program Files (x86)\Lenovo\System Update\egather\en\Resource.resources.dll
  • C:\Program Files (x86)\Lenovo\System Update\egather\Engine.dll
  • C:\Program Files (x86)\Lenovo\System Update\egather\en-US\IAViewer.resources.dll
  • C:\Program Files (x86)\Lenovo\System Update\egather\en-US\Resource.resources.dll
  • C:\Program Files (x86)\Lenovo\System Update\egather\IA.exe
  • C:\Program Files (x86)\Lenovo\System Update\egather\kehelper.dll
  • C:\Program Files (x86)\Lenovo\System Update\egather\Level.xml
  • C:\Program Files (x86)\Lenovo\System Update\egather\local\collect\adapter.dll
  • C:\Program Files (x86)\Lenovo\System Update\egather\local\collect\demographics.dll
  • C:\Program Files (x86)\Lenovo\System Update\egather\local\collect\devices.dll
  • C:\Program Files (x86)\Lenovo\System Update\egather\local\collect\diskinfo.dll
  • C:\Program Files (x86)\Lenovo\System Update\egather\local\collect\display.dll
  • C:\Program Files (x86)\Lenovo\System Update\egather\local\collect\egc.dll
  • C:\Program Files (x86)\Lenovo\System Update\egather\local\collect\environment.dll
  • C:\Program Files (x86)\Lenovo\System Update\egather\local\collect\firmware.dll
  • C:\Program Files (x86)\Lenovo\System Update\egather\local\collect\gatherer.dll
  • C:\Program Files (x86)\Lenovo\System Update\egather\local\collect\ide.dll
  • C:\Program Files (x86)\Lenovo\System Update\egather\local\collect\lotus.dll
  • C:\Program Files (x86)\Lenovo\System Update\egather\local\collect\memory.dll
  • C:\Program Files (x86)\Lenovo\System Update\egather\local\collect\netsetting.dll
  • C:\Program Files (x86)\Lenovo\System Update\egather\local\collect\network.dll
  • C:\Program Files (x86)\Lenovo\System Update\egather\local\collect\norton.dll
  • C:\Program Files (x86)\Lenovo\System Update\egather\local\collect\pci.dll
  • C:\Program Files (x86)\Lenovo\System Update\egather\local\collect\Printers.dll
  • C:\Program Files (x86)\Lenovo\System Update\egather\local\collect\processes.dll
  • C:\Program Files (x86)\Lenovo\System Update\egather\local\collect\regional.dll
  • C:\Program Files (x86)\Lenovo\System Update\egather\local\collect\scsi.dll
  • C:\Program Files (x86)\Lenovo\System Update\egather\local\collect\security.dll
  • C:\Program Files (x86)\Lenovo\System Update\egather\local\collect\services.dll
  • C:\Program Files (x86)\Lenovo\System Update\egather\local\collect\smbios.dll
  • C:\Program Files (x86)\Lenovo\System Update\egather\local\collect\software.dll
  • C:\Program Files (x86)\Lenovo\System Update\egather\local\collect\startup.dll
  • C:\Program Files (x86)\Lenovo\System Update\egather\local\collect\summary.dll
  • C:\Program Files (x86)\Lenovo\System Update\egather\local\collect\tater.dll
  • C:\Program Files (x86)\Lenovo\System Update\egather\local\collect\timezone.dll
  • C:\Program Files (x86)\Lenovo\System Update\egather\local\collect\usage.dll
  • C:\Program Files (x86)\Lenovo\System Update\egather\MetaData.xml
  • C:\Program Files (x86)\Lenovo\System Update\egather\ParameterList.txt
  • C:\Program Files (x86)\Lenovo\System Update\egather\proxy.dll
  • C:\Program Files (x86)\Lenovo\System Update\egather\Pub.dll
  • C:\Program Files (x86)\Lenovo\System Update\egather\Resource.dll
  • C:\Program Files (x86)\Lenovo\System Update\egather\sysrecomin.xml
  • C:\Program Files (x86)\Lenovo\System Update\egather\tvtdrv.sys
  • C:\Program Files (x86)\Lenovo\System Update\egather\tvtdrv64.sys
  • C:\Program Files (x86)\Lenovo\System Update\egather\XML.dll
  • C:\Program Files (x86)\Lenovo\System Update\egather\xmlhelper.dll
  • C:\Program Files (x86)\Lenovo\System Update\egather\XmlWriter.dll
  • C:\Program Files (x86)\Lenovo\System Update\EnumCD.exe
  • C:\Program Files (x86)\Lenovo\System Update\ILAENG.rtf
  • C:\Program Files (x86)\Lenovo\System Update\Installer64.exe
  • C:\Program Files (x86)\Lenovo\System Update\InstallUtil.InstallLog
  • C:\Program Files (x86)\Lenovo\System Update\Interop.NATUPNPLib.dll
  • C:\Program Files (x86)\Lenovo\System Update\Interop.NETCONLib.dll
  • C:\Program Files (x86)\Lenovo\System Update\Interop.NetFwTypeLib.dll
  • C:\Program Files (x86)\Lenovo\System Update\LCCTaskLinks.xml
  • C:\Program Files (x86)\Lenovo\System Update\logs\ServiceStart.log
  • C:\Program Files (x86)\Lenovo\System Update\logs\SUserNamevice logs\service_log.txt
  • C:\Program Files (x86)\Lenovo\System Update\logs\tvsu_exe.log
  • C:\Program Files (x86)\Lenovo\System Update\logs\tvsu_log_160504225157.txt
  • C:\Program Files (x86)\Lenovo\System Update\logs\UACSdk.txt
  • C:\Program Files (x86)\Lenovo\System Update\mapdrv.exe
  • C:\Program Files (x86)\Lenovo\System Update\PCDSchema2_29.xsd
  • C:\Program Files (x86)\Lenovo\System Update\PCDSchema2_30.xsd
  • C:\Program Files (x86)\Lenovo\System Update\PCDSchema2_30x.xsd
  • C:\Program Files (x86)\Lenovo\System Update\resources\defaultbillboard\jpdefaultbillboard.gif
  • C:\Program Files (x86)\Lenovo\System Update\resources\defaultbillboard\otherdefaultbillboard.gif
  • C:\Program Files (x86)\Lenovo\System Update\resources\defaultbillboard\usdefaultbillboard.gif
  • C:\Program Files (x86)\Lenovo\System Update\resources\noTranslated\strings\NoTranslatedResources.rpo
  • C:\Program Files (x86)\Lenovo\System Update\resources\translated\da\help\SystemUpdateHelp.chm
  • C:\Program Files (x86)\Lenovo\System Update\resources\translated\da\strings\LicenseNotice.txt
  • C:\Program Files (x86)\Lenovo\System Update\resources\translated\da\strings\TranslatedResources.rpo
  • C:\Program Files (x86)\Lenovo\System Update\resources\translated\da\strings\welcomens.rtf
  • C:\Program Files (x86)\Lenovo\System Update\resources\translated\de\help\SystemUpdateHelp.chm
  • C:\Program Files (x86)\Lenovo\System Update\resources\translated\de\strings\LicenseNotice.txt
  • C:\Program Files (x86)\Lenovo\System Update\resources\translated\de\strings\TranslatedResources.rpo
  • C:\Program Files (x86)\Lenovo\System Update\resources\translated\de\strings\welcomens.rtf
  • C:\Program Files (x86)\Lenovo\System Update\resources\translated\en\help\SystemUpdateHelp.chm
  • C:\Program Files (x86)\Lenovo\System Update\resources\translated\en\strings\LicenseNotice.txt
  • C:\Program Files (x86)\Lenovo\System Update\resources\translated\en\strings\TranslatedResources.rpo
  • C:\Program Files (x86)\Lenovo\System Update\resources\translated\en\strings\welcomens.rtf
  • C:\Program Files (x86)\Lenovo\System Update\resources\translated\es\help\SystemUpdateHelp.chm
  • C:\Program Files (x86)\Lenovo\System Update\resources\translated\es\strings\LicenseNotice.txt
  • C:\Program Files (x86)\Lenovo\System Update\resources\translated\es\strings\TranslatedResources.rpo
  • C:\Program Files (x86)\Lenovo\System Update\resources\translated\es\strings\welcomens.rtf
  • C:\Program Files (x86)\Lenovo\System Update\resources\translated\fi\help\SystemUpdateHelp.chm
  • C:\Program Files (x86)\Lenovo\System Update\resources\translated\fi\strings\LicenseNotice.txt
  • C:\Program Files (x86)\Lenovo\System Update\resources\translated\fi\strings\TranslatedResources.rpo
  • C:\Program Files (x86)\Lenovo\System Update\resources\translated\fi\strings\welcomens.rtf
  • C:\Program Files (x86)\Lenovo\System Update\resources\translated\fr\help\SystemUpdateHelp.chm
  • C:\Program Files (x86)\Lenovo\System Update\resources\translated\fr\strings\LicenseNotice.txt

Registry that is not uninstalled:
  • HKEY_CLASSES_ROOT\Installer\Assemblies\c:|Program Files (x86)|Lenovo|System Update|Interop.NATUPNPLib.dll
  • HKEY_CLASSES_ROOT\Installer\Assemblies\c:|Program Files (x86)|Lenovo|System Update|Interop.NETCONLib.dll
  • HKEY_CLASSES_ROOT\Installer\Assemblies\c:|Program Files (x86)|Lenovo|System Update|Interop.NetFwTypeLib.dll
  • HKEY_CLASSES_ROOT\Installer\Assemblies\c:|Program Files (x86)|Lenovo|System Update|tpisysidsu.exe
  • HKEY_CLASSES_ROOT\Installer\Assemblies\c:|Program Files (x86)|Lenovo|System Update|Tvsukernel.exe
  • HKEY_CLASSES_ROOT\Installer\Assemblies\c:|Program Files (x86)|Lenovo|System Update|TvsuRegistration|ApplicationLogger.dll
  • HKEY_CLASSES_ROOT\Installer\Assemblies\c:|Program Files (x86)|Lenovo|System Update|TvsuRegistration|EN|TvsuRegistration.resources.dll
  • HKEY_CLASSES_ROOT\Installer\Assemblies\c:|Program Files (x86)|Lenovo|System Update|TvsuRegistration|Interop.IWshRuntimeLibrary.dll
  • HKEY_CLASSES_ROOT\Installer\Assemblies\c:|Program Files (x86)|Lenovo|System Update|TvsuRegistration|TvsuRegistration.exe
  • HKEY_CLASSES_ROOT\Installer\Assemblies\c:|Program Files (x86)|Lenovo|System Update|UNCObject.dll
  • HKEY_CLASSES_ROOT\Installer\Assemblies\c:|Program Files (x86)|Lenovo|System Update|UNCServer.exe
  • HKEY_CLASSES_ROOT\Installer\Assemblies\c:|Program Files (x86)|Lenovo|System Update|uncsetting.exe
  • HKEY_CLASSES_ROOT\Microsoft.System.Update.1
  • HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Installer\Products\74846C52009BDA841A46B1F4B9776405
  • HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Installer\Products\C9335768C821DD4438FBA0D5A6DB2879
  • HKEY_LOCAL_MACHINE\Software\Lenovo\System Update
  • HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Uninstall\{25C64847-B900-48AD-A164-1B4F9B774650}

Open regedit.exe to delete the registry values below from the Windows Registry:
  • HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Installer\Products\74846C52009BDA841A46B1F4B9776405\ProductName
  • HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Installer\Products\C9335768C821DD4438FBA0D5A6DB2879\ProductName

How to remove System Update from your computer using Advanced Uninstaller PRO

System Update is a program marketed by Lenovo. Some users want to erase this application. This is troublesome because uninstalling this by hand requires some advanced knowledge regarding removing Windows programs manually. One of the best SIMPLE procedure to erase System Update 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 PC, add it. This is good because Advanced Uninstaller PRO is the best uninstaller and general tool to maximize the performance of your Windows computer.


  • visit Download Link
  • download the setup by clicking on the green DOWNLOAD NOW button
  • install Advanced Uninstaller PRO
2. Start Advanced Uninstaller PRO. Take your time to admire Advanced Uninstaller PRO's design and wealth of tools available. Advanced Uninstaller PRO is a very good system utility.

3. Press the General Tools category
Go to General Tools

4. Activate the Uninstall Programs feature
Go to Uninstall Programs

5. All the programs existing on the computer will be shown to you

6. Scroll the list of programs until you find System Update or simply click the Search field and type in "System Update". If it is installed on your PC the System Update program will be found very quickly. Notice that after you click System Update in the list of apps, the following data about the program is made available to you:

  • Star rating (in the lower left corner). This explains the opinion other people have about System Update, from "Highly recommended" to "Very dangerous".
  • Reviews by other people - Press the Read reviews button.
  • Details about the application you are about to uninstall, by clicking on the Properties button.
For instance you can see that for System Update:

  • The publisher is:
  • The uninstall string is: MsiExec.exe /X{25C64847-B900-48AD-A164-1B4F9B774650}
7. Click the Uninstall button. A window asking you to confirm will show up. Confirm the removal by clicking Uninstall. Advanced Uninstaller PRO will then remove System Update.
Uninstall System Update

8. After uninstalling System Update, Advanced Uninstaller PRO will ask you to run an additional cleanup. Press Next to proceed with the cleanup. All the items that belong System Update that have been left behind will be found and you will be able to delete them. By removing System Update using Advanced Uninstaller PRO, you are assured that no registry entries, files or directories are left behind on your PC.

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

Geographical user distribution

  • Windows 7 (6.1)
  • 10.0
Software Application


The text above is not a piece of advice to remove System Update by Lenovo from your PC, nor are we saying that System Update by Lenovo is not a good software application. This text simply contains detailed instructions on how to remove System Update in case you decide this is what you want to do. Here you can find registry and disk entries that Advanced Uninstaller PRO discovered and classified as "leftovers" on other users' PCs.

2016-06-21 / Written by Andreea Kartman for Advanced Uninstaller PRO

follow @DeeaKartman
Last update on: 2016-06-21 12:55:01.030