1.    15 Feb 2016 #1
    Join Date : Sep 2015
    Posts : 53
    Windows 10 Pro 64-bit

    Computer started to get more laggy

    Hi all,

    Does anyone know how to fix my problem?
    One year ago, the computer was installed with Windows 7 and was upgraded to Windows 10.
    About 3 months ago, the computer ran fine, and even the startup time was <10sec.
    2 weeks ago, I got a virus and quickly deleted it with Malwarebytes and AdwCleaner.
    I don't know why, but after that event, the computer quickly slowed down and right now, the startup time is 45 sec.

    What happened and what is the reason?

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      My System SpecsSystem Spec

  2.    15 Feb 2016 #2
    Join Date : Sep 2015
    Posts : 53
    Windows 10 Pro 64-bit

    Sorry for the bump, but anyone? Can somebody help?
      My System SpecsSystem Spec

  3.    15 Feb 2016 #3
    Join Date : Nov 2015
    Posts : 4,766
    windows 10 Home threshold2

    Are the usual "maintenance" methods carried out regularly ?
    Such as, Disk Cleanup, Disk Defrag, trim down the Startup list etc etc ?
      My System SpecsSystem Spec

  4.    15 Feb 2016 #4
    Join Date : Sep 2015
    Posts : 53
    Windows 10 Pro 64-bit

    For cleaning, I usually use CCleaner and yes, the disk is defragmented. I trimmed my startup list as soon as I installed Win10.
      My System SpecsSystem Spec

  5.    15 Feb 2016 #5
    Join Date : Dec 2015
    Posts : 118
    Windows 10 Ent, Pro & Home

    You may still have parts of the virus left on your computer. Removing a virus does not always work, some hidden files may remain. You may need to do a clean install.
      My System SpecsSystem Spec

  6.    15 Feb 2016 #6
    Join Date : Jun 2014
    Posts : 3,915
    Windows 10 Pro

    What was the virus? You may have to do a clean install to make sure the virus is completely gone.
      My System SpecsSystem Spec

  7.    15 Feb 2016 #7
    Join Date : Sep 2015
    Posts : 53
    Windows 10 Pro 64-bit

    The virus was a trojan, MSIL exactly. It throwed me a lot of unwanted program installations etc.
    But anyways, I decided I will go with a clean install.
    Anyone who helped me, thanks. Problem solved.
      My System SpecsSystem Spec


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