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  1.    6 Days Ago #71
    Join Date : Dec 2017
    Posts : 42
    Windows 10
    Thread Starter

    Quote Originally Posted by Barman58 View Post
    Saw this a little late but immediately thought of a malware owned Scheduled Task due to the persistence of the issue ...

    There are some options here... Slightly different method as this creates a search tab, but the concept is similar

    New Bing tab at start up | Firefox Support Forum | Mozilla Support

    If the issue returns, (hopefully you will never need it)
    Hopefully not, so far so good at least. Normally, I can reset it to Google and the next time I open a new tab, it resets to Bing but that doesn't seem to be happening right now. It never opened up a separate tab on its own and I've run every anti-malware program under the sun and come up empty. Hopefully whatever was screwing with Firefox is gone with the old version. Thanks for the suggestion though.
      My ComputerSystem Spec
  2.    4 Days Ago #72
    Join Date : Jul 2017
    London UK
    Posts : 112
    Windows 10 Home

    Just a follow up for anyone else left with the same problem after uninstalling Lavasoft Adaware WebCompanion.

    I just had a look at a file here:

    C:\Program Files\Mozilla Firefox\defaults\pref

    The dodgy file was named dsengine.js and if inspected with a text editor you can see that the file belongs to Lavasoft Adaware WebCompanion.

    Deleting the file solves the problem.

    Once you know the name of the problem file it's easy to find a thread on the subject.

    After uninstalling Adware (WebCompanion), I still get my default search engine set to | Firefox Support Forum | Mozilla Support
      My ComputerSystem Spec

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