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A guide to uninstall Web Companion from your computer

This web page contains thorough information on how to uninstall Web Companion for Windows. It is produced by Lavasoft. You can read more on Lavasoft or check for application updates here. More details about the app Web Companion can be seen at . Usually the Web Companion program is installed in the C:\Users\UserName\AppData\Roaming\Lavasoft\Web Companion\Application folder, depending on the user's option during install. Web Companion's entire uninstall command line is C:\Users\UserName\AppData\Roaming\Lavasoft\Web Companion\Application\WebCompanion-Installer.exe --uninstall --nonadmin. WebCompanion.exe is the Web Companion's main executable file and it occupies around 3.27 MB (3429528 bytes) on disk.

The executable files below are part of Web Companion. They take about 4.34 MB (4550184 bytes) on disk.

  • 7za.exe (457.15 KB)
  • FeatureInstaller.exe (37.15 KB)
  • FeatureMainComponent.exe (125.15 KB)
  • Lavasoft.WCAssistant.WinService.exe (27.15 KB)
  • VPNServiceHost.exe (19.65 KB)
  • WebCompanion-Installer.exe (428.15 KB)
  • WebCompanion.exe (3.27 MB)
...click to view all...

The current page applies to Web Companion version 12.901.7.1066 only. For more Web Companion versions please click below:

...click to view all...
Some files and registry entries are frequently left behind when you uninstall Web Companion.

Folders found on disk after you uninstall Web Companion from your PC:
  • C:\Users\%user%\AppData\Local\Lavasoft\Web Companion
  • C:\Users\%user%\AppData\Roaming\Lavasoft\Web Companion

Check for and delete the following files from your disk when you uninstall Web Companion:
  • C:\Users\%user%\AppData\Local\Lavasoft\Web Companion\Logs\Webcompanion\webcompanion.log
  • C:\Users\%user%\AppData\Roaming\Lavasoft\Web Companion\Application\7za.exe
  • C:\Users\%user%\AppData\Roaming\Lavasoft\Web Companion\Application\acs17.dll
  • C:\Users\%user%\AppData\Roaming\Lavasoft\Web Companion\Application\BCUEngineS.dll
  • C:\Users\%user%\AppData\Roaming\Lavasoft\Web Companion\Application\BCUSDK.dll
  • C:\Users\%user%\AppData\Roaming\Lavasoft\Web Companion\Application\de-DE\WebCompanion.resources.dll
  • C:\Users\%user%\AppData\Roaming\Lavasoft\Web Companion\Application\de-DE\WebCompanion-Installer.resources.dll
  • C:\Users\%user%\AppData\Roaming\Lavasoft\Web Companion\Application\DotNetZip.dll
  • C:\Users\%user%\AppData\Roaming\Lavasoft\Web Companion\Application\en-US\WebCompanion.resources.dll
  • C:\Users\%user%\AppData\Roaming\Lavasoft\Web Companion\Application\en-US\WebCompanion-Installer.resources.dll
  • C:\Users\%user%\AppData\Roaming\Lavasoft\Web Companion\Application\Esent.Interop.dll
  • C:\Users\%user%\AppData\Roaming\Lavasoft\Web Companion\Application\es-ES\WebCompanion.resources.dll
  • C:\Users\%user%\AppData\Roaming\Lavasoft\Web Companion\Application\es-ES\WebCompanion-Installer.resources.dll
  • C:\Users\%user%\AppData\Roaming\Lavasoft\Web Companion\Application\Extension\@wcextensionff.xpi
  • C:\Users\%user%\AppData\Roaming\Lavasoft\Web Companion\Application\FeatureComponent.dll
  • C:\Users\%user%\AppData\Roaming\Lavasoft\Web Companion\Application\FeatureInstaller.exe
  • C:\Users\%user%\AppData\Roaming\Lavasoft\Web Companion\Application\FeatureMainComponent.exe
  • C:\Users\%user%\AppData\Roaming\Lavasoft\Web Companion\Application\fr-CA\WebCompanion.resources.dll
  • C:\Users\%user%\AppData\Roaming\Lavasoft\Web Companion\Application\fr-CA\WebCompanion-Installer.resources.dll
  • C:\Users\%user%\AppData\Roaming\Lavasoft\Web Companion\Application\ICSharpCode.SharpZipLib.dll
  • C:\Users\%user%\AppData\Roaming\Lavasoft\Web Companion\Application\Interop.IWshRuntimeLibrary.dll
  • C:\Users\%user%\AppData\Roaming\Lavasoft\Web Companion\Application\Interop.SHDocVw.dll
  • C:\Users\%user%\AppData\Roaming\Lavasoft\Web Companion\Application\Interop.Shell32.dll
  • C:\Users\%user%\AppData\Roaming\Lavasoft\Web Companion\Application\Interop.WUApiLib.dll
  • C:\Users\%user%\AppData\Roaming\Lavasoft\Web Companion\Application\Ionic.Zip.dll
  • C:\Users\%user%\AppData\Roaming\Lavasoft\Web Companion\Application\it-IT\WebCompanion.resources.dll
  • C:\Users\%user%\AppData\Roaming\Lavasoft\Web Companion\Application\it-IT\WebCompanion-Installer.resources.dll
  • C:\Users\%user%\AppData\Roaming\Lavasoft\Web Companion\Application\ja-JP\WebCompanion.resources.dll
  • C:\Users\%user%\AppData\Roaming\Lavasoft\Web Companion\Application\ja-JP\WebCompanion-Installer.resources.dll
  • C:\Users\%user%\AppData\Roaming\Lavasoft\Web Companion\Application\Lavasoft.AppCore.dll
  • C:\Users\%user%\AppData\Roaming\Lavasoft\Web Companion\Application\Lavasoft.CSharp.Utilities.dll
  • C:\Users\%user%\AppData\Roaming\Lavasoft\Web Companion\Application\Lavasoft.Events.dll
  • C:\Users\%user%\AppData\Roaming\Lavasoft\Web Companion\Application\Lavasoft.SysInfo.dll
  • C:\Users\%user%\AppData\Roaming\Lavasoft\Web Companion\Application\Lavasoft.Utils.dll
  • C:\Users\%user%\AppData\Roaming\Lavasoft\Web Companion\Application\Lavasoft.Utils.SqlLite.dll
  • C:\Users\%user%\AppData\Roaming\Lavasoft\Web Companion\Application\Lavasoft.WCAssistant.Service.Logger.dll
  • C:\Users\%user%\AppData\Roaming\Lavasoft\Web Companion\Application\Lavasoft.WCAssistant.WcfService.dll
  • C:\Users\%user%\AppData\Roaming\Lavasoft\Web Companion\Application\Lavasoft.WCAssistant.WinService.exe
  • C:\Users\%user%\AppData\Roaming\Lavasoft\Web Companion\Application\liblz4.dll
  • C:\Users\%user%\AppData\Roaming\Lavasoft\Web Companion\Application\log4net.dll
  • C:\Users\%user%\AppData\Roaming\Lavasoft\Web Companion\Application\LZ4.dll
  • C:\Users\%user%\AppData\Roaming\Lavasoft\Web Companion\Application\Microsoft.mshtml.dll
  • C:\Users\%user%\AppData\Roaming\Lavasoft\Web Companion\Application\MozCompressor.dll
  • C:\Users\%user%\AppData\Roaming\Lavasoft\Web Companion\Application\NCalc.dll
  • C:\Users\%user%\AppData\Roaming\Lavasoft\Web Companion\Application\Newtonsoft.Json.dll
  • C:\Users\%user%\AppData\Roaming\Lavasoft\Web Companion\Application\pt-BR\WebCompanion.resources.dll
  • C:\Users\%user%\AppData\Roaming\Lavasoft\Web Companion\Application\pt-BR\WebCompanion-Installer.resources.dll
  • C:\Users\%user%\AppData\Roaming\Lavasoft\Web Companion\Application\ru-RU\WebCompanion.resources.dll
  • C:\Users\%user%\AppData\Roaming\Lavasoft\Web Companion\Application\ru-RU\WebCompanion-Installer.resources.dll
  • C:\Users\%user%\AppData\Roaming\Lavasoft\Web Companion\Application\System.Data.SQLite.dll
  • C:\Users\%user%\AppData\Roaming\Lavasoft\Web Companion\Application\tr-TR\WebCompanion.resources.dll
  • C:\Users\%user%\AppData\Roaming\Lavasoft\Web Companion\Application\tr-TR\WebCompanion-Installer.resources.dll
  • C:\Users\%user%\AppData\Roaming\Lavasoft\Web Companion\Application\ucrtbased.dll
  • C:\Users\%user%\AppData\Roaming\Lavasoft\Web Companion\Application\vcruntime140d.dll
  • C:\Users\%user%\AppData\Roaming\Lavasoft\Web Companion\Application\VPNServiceHost.exe
  • C:\Users\%user%\AppData\Roaming\Lavasoft\Web Companion\Application\VPNServiceWCF.dll
  • C:\Users\%user%\AppData\Roaming\Lavasoft\Web Companion\Application\WebCompanion.exe
  • C:\Users\%user%\AppData\Roaming\Lavasoft\Web Companion\Application\WebCompanionIcon.ico
  • C:\Users\%user%\AppData\Roaming\Lavasoft\Web Companion\Application\WebCompanionIcon_Pro.ico
  • C:\Users\%user%\AppData\Roaming\Lavasoft\Web Companion\Application\WebCompanion-Installer.exe
  • C:\Users\%user%\AppData\Roaming\Lavasoft\Web Companion\Application\WebCompanion-Installer.pdb
  • C:\Users\%user%\AppData\Roaming\Lavasoft\Web Companion\Application\WpfAnimatedGif.dll
  • C:\Users\%user%\AppData\Roaming\Lavasoft\Web Companion\Application\x64\SQLite.Interop.dll
  • C:\Users\%user%\AppData\Roaming\Lavasoft\Web Companion\Application\x86\SQLite.Interop.dll
  • C:\Users\%user%\AppData\Roaming\Lavasoft\Web Companion\Application\zh-CHS\WebCompanion-Installer.resources.dll
  • C:\Users\%user%\AppData\Roaming\Lavasoft\Web Companion\Application\zh-Hans\WebCompanion.resources.dll
  • C:\Users\%user%\AppData\Roaming\Lavasoft\Web Companion\Options\ActiveFeatures.zip
  • C:\Users\%user%\AppData\Roaming\Lavasoft\Web Companion\Options\AppSettings.txt
  • C:\Users\%user%\AppData\Roaming\Lavasoft\Web Companion\Options\bData.zip
  • C:\Users\%user%\AppData\Roaming\Lavasoft\Web Companion\Options\CData.txt
  • C:\Users\%user%\AppData\Roaming\Lavasoft\Web Companion\Options\ChannelInfo.txt
  • C:\Users\%user%\AppData\Roaming\Lavasoft\Web Companion\Options\CurrentReleaseNotes.txt
  • C:\Users\%user%\AppData\Roaming\Lavasoft\Web Companion\Options\EData.txt
  • C:\Users\%user%\AppData\Roaming\Lavasoft\Web Companion\Options\EventMetadata.txt
  • C:\Users\%user%\AppData\Roaming\Lavasoft\Web Companion\Options\EventSafeguard.txt
  • C:\Users\%user%\AppData\Roaming\Lavasoft\Web Companion\Options\FData.txt
  • C:\Users\%user%\AppData\Roaming\Lavasoft\Web Companion\Options\FeatureActions.zip
  • C:\Users\%user%\AppData\Roaming\Lavasoft\Web Companion\Options\Language.txt
  • C:\Users\%user%\AppData\Roaming\Lavasoft\Web Companion\Options\LatestReleaseNotes.txt
  • C:\Users\%user%\AppData\Roaming\Lavasoft\Web Companion\Options\MaskInfo.txt
  • C:\Users\%user%\AppData\Roaming\Lavasoft\Web Companion\Options\Partner.txt
  • C:\Users\%user%\AppData\Roaming\Lavasoft\Web Companion\Options\PerformedActions.txt
  • C:\Users\%user%\AppData\Roaming\Lavasoft\Web Companion\Options\ServicePartnerInfo.txt
  • C:\Users\%user%\AppData\Roaming\Lavasoft\Web Companion\Options\statistic.db
  • C:\Users\%user%\AppData\Roaming\Lavasoft\Web Companion\Options\Statistics.txt
  • C:\Users\%user%\AppData\Roaming\Lavasoft\Web Companion\Options\UpdateServer.txt
  • C:\Users\%user%\AppData\Roaming\Lavasoft\Web Companion\Options\WebProtectionConfig.txt
  • C:\Users\%user%\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Lavasoft\WebCompanion\Web Companion.lnk

You will find in the Windows Registry that the following data will not be removed; remove them one by one using regedit.exe:
  • HKEY_CURRENT_USER\Software\Lavasoft\Web Companion
  • HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Uninstall\{fa3526db-ffec-411c-be1d-45af5e1bbe64}

Additional registry values that you should delete:
  • HKEY_CLASSES_ROOT\Local Settings\Software\Microsoft\Windows\Shell\MuiCache\C:\Users\UserName\AppData\Roaming\Lavasoft\Web Companion\Application\WebCompanion-Installer.exe.ApplicationCompany
  • HKEY_CLASSES_ROOT\Local Settings\Software\Microsoft\Windows\Shell\MuiCache\C:\Users\UserName\AppData\Roaming\Lavasoft\Web Companion\Application\WebCompanion-Installer.exe.FriendlyAppName


How to remove Web Companion from your PC using Advanced Uninstaller PRO

Web Companion is a program marketed by Lavasoft. Frequently, people try to erase it. Sometimes this can be hard because performing this manually takes some knowledge related to Windows internal functioning. One of the best EASY way to erase 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 system, add it. This is a good step because Advanced Uninstaller PRO is a very efficient uninstaller and general tool to optimize your Windows computer.

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  • go to Download Link
  • download the program by pressing the green DOWNLOAD NOW button
  • install Advanced Uninstaller PRO
2. Run Advanced Uninstaller PRO. Take some time to admire Advanced Uninstaller PRO's design and number of features available. Advanced Uninstaller PRO is a very useful system utility.

3. Press the General Tools category
Go to General Tools


4. Press the Uninstall Programs feature
Go to Uninstall Programs


5. All the programs existing on your PC will appear

6. Scroll the list of programs until you locate Web Companion or simply activate the Search field and type in "Web Companion". The Web Companion application will be found very quickly. Notice that when you select Web Companion in the list of programs, the following information about the application is made available to you:


  • Safety rating (in the lower left corner). The star rating tells you 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 application you want to remove, by pressing the Properties button.
For example you can see that for Web Companion:





  • The web site of the application is: http://www.lavasoft.com
  • The uninstall string is: C:\Users\UserName\AppData\Roaming\Lavasoft\Web Companion\Application\WebCompanion-Installer.exe --uninstall --nonadmin
7. Press the Uninstall button. A confirmation dialog will show up. accept the uninstall by pressing 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 start 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 removing Web Companion using Advanced Uninstaller PRO, you can be sure that no registry entries, files or folders are left behind on your disk.

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

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Disclaimer

The text above is not a piece of advice to remove Web Companion by Lavasoft from your PC, we are not saying that Web Companion by Lavasoft is not a good application. This page only contains detailed instructions on how to remove Web Companion supposing 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.

2024-04-28 / Written by Dan Armano for Advanced Uninstaller PRO

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Last update on: 2024-04-28 01:28:54.560