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The type initializer for 'webCompanion.UI.AppCore.InstallerService'


Dear Moderator or anybody that can help. I am new here, I am trying to uninstall the webcompanion (Adaware), After that, everytime that i restarting my pc it will pop-up this message :"The type initializer for 'webCompanion.UI.AppCore.InstallerService' threw an exception.

Please Help



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You're welcome :)

1. If possible, start the Web Companion program and change the settings for search in the browsers to one that isn't handled by Web Companion.

2. Please, start Notepad.
Copy all text that is in the box:

HKU\S-1-5-21-3234530960-1646877422-2268875558-1000\...\Run: [Web Companion] => C:\Program Files (x86)\Lavasoft\Web Companion\Application\WebCompanion.exe [7407392 2018-12-19] (Lavasoft)
2018-12-19 12:59 - 2018-12-19 14:46 - 000000000 ____D C:\Users\SieSiong\AppData\Local\Lavasoft
2018-12-19 12:59 - 2018-12-19 14:46 - 000000000 ____D C:\ProgramData\Lavasoft
2018-12-19 12:59 - 2018-12-19 14:42 - 000000000 ____D C:\Users\SieSiong\AppData\Roaming\Lavasoft
2018-12-19 12:59 - 2018-12-19 14:42 - 000000000 ____D C:\ProgramData\Microsoft\Windows\Start Menu\Programs\Lavasoft
2018-12-19 12:59 - 2018-12-19 12:59 - 000000000 ____D C:\Program Files (x86)\Lavasoft
IE trusted site: HKU\.DEFAULT\...\webcompanion.com -> hxxp://webcompanion.com
IE trusted site: HKU\S-1-5-21-3234530960-1646877422-2268875558-1000\...\webcompanion.com -> hxxp://webcompanion.com

and paste in Notepad. Check that no files have been split on two lines.
Save the file as fixlist.txt on the desktop.

Exit all programs.
Start FRST, please.
Click the Fix button.
Wait until the tool has finished and the computer has been restarted.

It creates a log file, called Fixlog.txt, on the desktop.
Please, paste the content of that file in your reply.

Do you see Web Companion now?

3. Go through the settings of Internet Explorer and Chrome to be sure that you've the start pages, home page and search engines that you want to have.

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Hi Koesuma,

Have you gone through the settings in your browsers about home page, search engines and other places where Web Companion can be configured?

If that doesn't help, let us see what's going on in your computer and how to remove Web Companion.

Please, download Farbar Recovery Scan Tool (FRST) and save it on the desktop: https://www.bleepingcomputer.com/download/farbar-recovery-scan-tool/

Double click FRST file to run the tool.
Read the disclaimer and click Yes to accept it.
Click Scan button.

When done, FRST will create two (2) log files on the desktop:

  • FRST.txt
  • Addition.txt

Please, attach them to your reply.

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