Windows Defender Antivirus wont start

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  1. Posts : 8
    windows 10
       #1

    Windows Defender Antivirus wont start


    Hello, I have a 4 day old new HP computer and I want to run Windows Defender. I had a free trial version of McAfee. I uninstalled McAfee using their uninstaller. Windows Defender antivirus wont start. I get a message: "unexpected error. sorry, we ran into a problem please try again."
      My Computer

  2. Samuria's Avatar
    Posts : 6,040
    windows 10
       #2

    Welcome to the forum. Did you just use windows to remove it or did you goto Mcafee website and get there removal tool?
      My Computer


  3. Posts : 8
    windows 10
    Thread Starter
       #3

    Samuria, I did both. I used the windows uninstall first and then downloaded the Mcafee uninstall tool and ran that.
      My Computer

  4. Samuria's Avatar
    Posts : 6,040
    windows 10
       #4

    Are you signed in as local or ms account is there another account you can try with?
      My Computer

  5. ThrashZone's Avatar
    Posts : 7,107
    3-Win-7Prox64 2-Win10Prox64
       #5

    Hi,
    Just reset win-10 since it's new.
      My Computers


  6. Posts : 8
    windows 10
    Thread Starter
       #6

    I'm afraid to. I just installed office 2010, which took 2 days to validate and I have moved over 150gb of data from my old computer. A reset would discard this?
      My Computer


  7. Posts : 38
    Windows 10
       #7

    Defender will not turn on or work if there are residual files from McAfee still on the computer. Since it is a new computer you should be able to download a 30-day free trial of Revo Uninstaller Pro. Sometimes Windows itself does not completely remove all traces of a program. Revo does a great job at completely removing programs and other apps. You can also go into the registry and search for any leftover McAfee files, right click and delete. I used Revo to get rid of all the bloatware when I first bought my laptop, but when the trial ended I found the free version of Iobit Uninstaller, using the Powerful Uninstall function works just as well as Revo.

    Download Revo Uninstaller Freeware - Free and Full Download - Uninstall software, remove programs, solve uninstall problems

    IObit Uninstaller - Best Free Software Uninstall Tool for Your Windows XP/7/8/10 PC

    Jimmy
      My Computer

  8. Stitch194's Avatar
    Posts : 430
    Windows 10 Pro
       #8

    Kirbyk After the uninstall of McAfee did you perform a restart.
      My Computer


  9. Posts : 8
    windows 10
    Thread Starter
       #9

    yes, restarted many times since...
      My Computer


  10. Posts : 8
    windows 10
    Thread Starter
       #10

    I have installed Revo and it doesn't show anything related to McAfee
      My Computer


 
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