Avast anti virus disapperears after up date

By kellyo1960
Jan 4, 2014
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  1. My antivirus vanished after I updated it. Asked for a restart after update and when I restarted windows, Avast was no longer there. Tried talking to support but they were no help to me. I did get an error message saying a dll file was missing.
    After getting no where with support tried using my own head. I deleted avast did a reinstall and ran a virus check. There was a virus.
    So my problem is when avast is running everything slows right down. cpu is up to a 100 percent and when I go to task manager it say avast is using 95 percent of cpu.
    Does this makes sense? I have defragged and did all the things suggested.
    Any help will be really appreciated. I have a dell insperon 1525 4 years old but hardrive is 3 years old.
  2. Cobalt006

    Cobalt006 TS Evangelist Posts: 1,777   +242

    When you uninstalled Avast .Did you use its uninstaller? If not try this then reinstall avast. If this dose not work you may still be infected. If so try the Malware forum here. http://www.avast.com/en-us/uninstall-utility

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