Web Companion Web Companion

A guide to uninstall Web Companion from your PC

This page contains complete information on how to uninstall Web Companion for Windows. The Windows version was developed by Lavasoft. Further information on Lavasoft can be found here. Click on to get more facts about Web Companion on Lavasoft's website. Web Companion is frequently set up in the C:\Program Files\Lavasoft\Web Companion\Application folder, regulated by the user's choice. Web Companion's complete uninstall command line is C:\Program Files\Lavasoft\Web Companion\Application\WebCompanionInstaller.exe --uninstall. Web Companion's main file takes about 7.40 MB (7757912 bytes) and is named WebCompanion.exe.

The executables below are part of Web Companion. They take about 7.90 MB (8288184 bytes) on disk.

  • Ad-Aware Web Companion.exe (129.09 KB)
  • Lavasoft.WCAssistant.WinService.exe (28.09 KB)
  • WebCompanion.exe (7.40 MB)
  • WebCompanion.Loader.exe (20.59 KB)
  • WebCompanionInstaller.exe (340.09 KB)

The information on this page is only about version 4.8.2012.3902 of Web Companion. Click on the links below for other Web Companion versions:

...click to view all...
Following the uninstall process, the application leaves some files behind on the computer. Some of these are shown below.

Directories that were left behind:
  • C:\Program Files (x86)\Lavasoft\Web Companion
  • C:\Users\UserName\AppData\Roaming\Lavasoft\Web Companion

The files below are left behind on your disk when you remove Web Companion:
  • C:\Program Files (x86)\Lavasoft\Web Companion\Application\Ad-Aware Web Companion.exe
  • C:\Program Files (x86)\Lavasoft\Web Companion\Application\BCUEngineS.dll
  • C:\Program Files (x86)\Lavasoft\Web Companion\Application\BCUSDK.dll
  • C:\Program Files (x86)\Lavasoft\Web Companion\Application\de-DE\WebCompanion.resources.dll
  • C:\Program Files (x86)\Lavasoft\Web Companion\Application\de-DE\WebCompanionInstaller.resources.dll
  • C:\Program Files (x86)\Lavasoft\Web Companion\Application\DotNetZip.dll
  • C:\Program Files (x86)\Lavasoft\Web Companion\Application\en-US\WebCompanion.resources.dll
  • C:\Program Files (x86)\Lavasoft\Web Companion\Application\en-US\WebCompanionInstaller.resources.dll
  • C:\Program Files (x86)\Lavasoft\Web Companion\Application\Esent.Interop.dll
  • C:\Program Files (x86)\Lavasoft\Web Companion\Application\es-ES\WebCompanion.resources.dll
  • C:\Program Files (x86)\Lavasoft\Web Companion\Application\es-ES\WebCompanionInstaller.resources.dll
  • C:\Program Files (x86)\Lavasoft\Web Companion\Application\Extension\@wcextensionff.xpi
  • C:\Program Files (x86)\Lavasoft\Web Companion\Application\fr-CA\WebCompanion.resources.dll
  • C:\Program Files (x86)\Lavasoft\Web Companion\Application\fr-CA\WebCompanionInstaller.resources.dll
  • C:\Program Files (x86)\Lavasoft\Web Companion\Application\ICSharpCode.SharpZipLib.dll
  • C:\Program Files (x86)\Lavasoft\Web Companion\Application\Interop.IWshRuntimeLibrary.dll
  • C:\Program Files (x86)\Lavasoft\Web Companion\Application\Interop.LavasoftTcpServiceLib.dll
  • C:\Program Files (x86)\Lavasoft\Web Companion\Application\Interop.SHDocVw.dll
  • C:\Program Files (x86)\Lavasoft\Web Companion\Application\Interop.Shell32.dll
  • C:\Program Files (x86)\Lavasoft\Web Companion\Application\it-IT\WebCompanion.resources.dll
  • C:\Program Files (x86)\Lavasoft\Web Companion\Application\it-IT\WebCompanionInstaller.resources.dll
  • C:\Program Files (x86)\Lavasoft\Web Companion\Application\ja-JP\WebCompanion.resources.dll
  • C:\Program Files (x86)\Lavasoft\Web Companion\Application\ja-JP\WebCompanionInstaller.resources.dll
  • C:\Program Files (x86)\Lavasoft\Web Companion\Application\Lavasoft.adblocker.dll
  • C:\Program Files (x86)\Lavasoft\Web Companion\Application\Lavasoft.AppCore.dll
  • C:\Program Files (x86)\Lavasoft\Web Companion\Application\Lavasoft.Automation.dll
  • C:\Program Files (x86)\Lavasoft\Web Companion\Application\Lavasoft.Compression.dll
  • C:\Program Files (x86)\Lavasoft\Web Companion\Application\Lavasoft.CSharp.Utilities.dll
  • C:\Program Files (x86)\Lavasoft\Web Companion\Application\Lavasoft.Events.dll
  • C:\Program Files (x86)\Lavasoft\Web Companion\Application\Lavasoft.IEController.dll
  • C:\Program Files (x86)\Lavasoft\Web Companion\Application\Lavasoft.Omni.dll
  • C:\Program Files (x86)\Lavasoft\Web Companion\Application\Lavasoft.SearchProtect.Business.dll
  • C:\Program Files (x86)\Lavasoft\Web Companion\Application\Lavasoft.SearchProtect.Repositories.dll
  • C:\Program Files (x86)\Lavasoft\Web Companion\Application\Lavasoft.Settings.dll
  • C:\Program Files (x86)\Lavasoft\Web Companion\Application\Lavasoft.SysInfo.dll
  • C:\Program Files (x86)\Lavasoft\Web Companion\Application\Lavasoft.Utils.dll
  • C:\Program Files (x86)\Lavasoft\Web Companion\Application\Lavasoft.Utils.SqlLite.dll
  • C:\Program Files (x86)\Lavasoft\Web Companion\Application\Lavasoft.WCAssistant.Service.Logger.dll
  • C:\Program Files (x86)\Lavasoft\Web Companion\Application\Lavasoft.WCAssistant.WcfService.dll
  • C:\Program Files (x86)\Lavasoft\Web Companion\Application\Lavasoft.WCAssistant.WinService.exe
  • C:\Program Files (x86)\Lavasoft\Web Companion\Application\liblz4.dll
  • C:\Program Files (x86)\Lavasoft\Web Companion\Application\log4net.dll
  • C:\Program Files (x86)\Lavasoft\Web Companion\Application\LZ4.dll
  • C:\Program Files (x86)\Lavasoft\Web Companion\Application\Microsoft.mshtml.dll
  • C:\Program Files (x86)\Lavasoft\Web Companion\Application\MozCompressor.dll
  • C:\Program Files (x86)\Lavasoft\Web Companion\Application\Newtonsoft.Json.dll
  • C:\Program Files (x86)\Lavasoft\Web Companion\Application\pt-BR\WebCompanion.resources.dll
  • C:\Program Files (x86)\Lavasoft\Web Companion\Application\pt-BR\WebCompanionInstaller.resources.dll
  • C:\Program Files (x86)\Lavasoft\Web Companion\Application\ru-RU\WebCompanion.resources.dll
  • C:\Program Files (x86)\Lavasoft\Web Companion\Application\ru-RU\WebCompanionInstaller.resources.dll
  • C:\Program Files (x86)\Lavasoft\Web Companion\Application\System.Data.SQLite.dll
  • C:\Program Files (x86)\Lavasoft\Web Companion\Application\tr-TR\WebCompanion.resources.dll
  • C:\Program Files (x86)\Lavasoft\Web Companion\Application\tr-TR\WebCompanionInstaller.resources.dll
  • C:\Program Files (x86)\Lavasoft\Web Companion\Application\ucrtbased.dll
  • C:\Program Files (x86)\Lavasoft\Web Companion\Application\vcruntime140d.dll
  • C:\Program Files (x86)\Lavasoft\Web Companion\Application\WebcompaionReimageIcon.ico
  • C:\Program Files (x86)\Lavasoft\Web Companion\Application\WebCompanion.exe
  • C:\Program Files (x86)\Lavasoft\Web Companion\Application\WebCompanion.Loader.exe
  • C:\Program Files (x86)\Lavasoft\Web Companion\Application\WebCompanionExtensionIE.dll
  • C:\Program Files (x86)\Lavasoft\Web Companion\Application\WebCompanionIcon.ico
  • C:\Program Files (x86)\Lavasoft\Web Companion\Application\WebCompanionIcon_Pro.ico
  • C:\Program Files (x86)\Lavasoft\Web Companion\Application\WebCompanionInstaller.exe
  • C:\Program Files (x86)\Lavasoft\Web Companion\Application\WebCompanionInstaller.pdb
  • C:\Program Files (x86)\Lavasoft\Web Companion\Application\x64\SQLite.Interop.dll
  • C:\Program Files (x86)\Lavasoft\Web Companion\Application\x86\SQLite.Interop.dll
  • C:\Program Files (x86)\Lavasoft\Web Companion\Application\zh-CHS\WebCompanionInstaller.resources.dll
  • C:\Program Files (x86)\Lavasoft\Web Companion\Application\zh-Hans\WebCompanion.resources.dll
  • C:\Users\UserName\AppData\Roaming\Lavasoft\Web Companion\Options\Language.txt

Registry that is not uninstalled:
  • HKEY_CURRENT_USER\Software\Lavasoft\Web Companion
  • HKEY_LOCAL_MACHINE\Software\Lavasoft\Web Companion
  • HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Uninstall\{0c399e9e-5e0f-42bc-a070-ac9e0f574f20}

Registry values that are not removed from your PC:
  • HKEY_LOCAL_MACHINE\System\CurrentControlSet\Services\WCAssistantService\ImagePath

A way to delete Web Companion from your computer using Advanced Uninstaller PRO

Web Companion is an application offered by Lavasoft. Sometimes, users choose to remove this program. Sometimes this can be troublesome because uninstalling this by hand takes some knowledge related to PCs. The best QUICK way to remove Web Companion 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 general tool to maximize the performance of your Windows computer.


2. Run Advanced Uninstaller PRO. It's recommended to take your time to admire Advanced Uninstaller PRO's design and wealth of functions available. Advanced Uninstaller PRO is a very good system optimizer.

3. Press the General Tools button
Go to General Tools

4. Activate the Uninstall Programs button
Go to Uninstall Programs

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

6. Scroll the list of applications until you locate Web Companion or simply click the Search feature and type in "Web Companion". If it exists on your system the Web Companion app will be found very quickly. After you click Web Companion in the list of applications, the following data about the program is available to you:

  • Safety rating (in the lower left corner). The star rating explains the opinion other people have about Web Companion, from "Highly recommended" to "Very dangerous".
  • Opinions by other people - Press the Read reviews button.
  • Technical information about the program you wish to remove, by pressing the Properties button.
For instance you can see that for Web Companion:

  • The software company is: http://www.lavasoft.com
  • The uninstall string is: C:\Program Files\Lavasoft\Web Companion\Application\WebCompanionInstaller.exe --uninstall
7. Click the Uninstall button. A window asking you to confirm will come up. accept the removal by clicking Uninstall. Advanced Uninstaller PRO will automatically remove Web Companion.
Uninstall Web Companion

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

Your Windows PC will remain clean, speedy and able to run without errors or problems.



The text above is not a piece of advice to uninstall Web Companion by Lavasoft from your computer, we are not saying that Web Companion by Lavasoft is not a good software application. This page only contains detailed info on how to uninstall Web Companion in case you decide this is what you want to do. Here you can find registry and disk entries that our application Advanced Uninstaller PRO discovered and classified as "leftovers" on other users' PCs.

2019-06-30 / Written by Dan Armano for Advanced Uninstaller PRO

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Last update on: 2019-06-30 00:30:42.677