Windows 8 and 8.1 Forums


Warning: Avast 2014 Causing Boot and Power Mgmt Issues

  1. #1


    Posts : 2,191
    Windows 8.1

    Warning: Avast 2014 Causing Boot and Power Mgmt Issues

    Last edited by my2cents; 31 Oct 2013 at 14:09.

      My System SpecsSystem Spec

  2. #2


    Posts : 2,191
    Windows 8.1


    Update: Avast appears to have fixed the last remaining issue which was not being able to "restore one's power management plan to default settings" without getting an error. I have asked a few other Avast 2014 users to confirm my testing results and either let me know or post an update directly to this thread. Once confirmed, I will mark this thread as solved.

    my2cents
      My System SpecsSystem Spec

  3. #3


    Hafnarfjörður IS
    Posts : 4,376
    Linux Centos 7, W8.1, W7, W2K3 Server W10


    Hi there
    I really don't know why its worth bothering (for HOME users) with ANY 3rd party AV software on windows 8 / 8.1 these days -- the standard Windows defender (don't confuse with the same program name in W7) is part of the OS, updated almost daily and works as well as any of the others -- and USES ALMOST ZERO RESOURCES.

    Cheers
    jimbo
      My System SpecsSystem Spec

  4. #4


    Posts : 2,191
    Windows 8.1


    Quote Originally Posted by jimbo45 View Post
    Hi there
    I really don't know why its worth bothering (for HOME users) with ANY 3rd party AV software on windows 8 / 8.1 these days -- the standard Windows defender (don't confuse with the same program name in W7) is part of the OS, updated almost daily and works as well as any of the others -- and USES ALMOST ZERO RESOURCES.

    Cheers
    jimbo
    Hey jimbo45,

    Although I respect your opinion, I think your comments regarding your own preferences, belong elsewhere. Also, I totally disagree with your stated fact that Windows defender uses less resources because I beg to differ "unless" you have any supporting data to backup you convictions. Again, I always respect your opinion but this thread is supposed to be to track specific Avast issues.
      My System SpecsSystem Spec

  5. #5


    Hey my2cents, Avast 2014 (9.0.2008) WHQL is released and that bug is fixed now.
      My System SpecsSystem Spec

  6. #6


    Harrisonburg, Va.
    Posts : 10,488
    Windows 8.1.1 Pro with Media Center


    I have no problems with it.
    It works good & my computer is virus free & malware free.

    See picture:

    Click image for larger version
      My System SpecsSystem Spec

  7. #7


    Yeah, way back then in November, some people had those problems, I didn't and still don't either.
      My System SpecsSystem Spec

  8. #8


    Quote Originally Posted by jimbo45 View Post
    Hi there
    I really don't know why its worth bothering (for HOME users) with ANY 3rd party AV software on windows 8 / 8.1 these days -- the standard Windows defender (don't confuse with the same program name in W7) is part of the OS, updated almost daily and works as well as any of the others -- and USES ALMOST ZERO RESOURCES.

    Cheers
    jimbo
    Agree jimbo!
      My System SpecsSystem Spec

  9. #9


    Harrisonburg, Va.
    Posts : 10,488
    Windows 8.1.1 Pro with Media Center


    See this:

    Best Free Antivirus: Windows Defender vs. Avast | Maximum PC

    Windows Defender uses the same pokey scan engine as Microsoft Security Essentials, and since there’s no easy way to schedule scans, it’s even more problematic. Running a full system scan with 30GB of data on a solid-state drive took 20 minutes with Windows Defender, and subsequent scans took just as long. That’s an indication that Windows Defender doesn’t skip over files that haven’t changed since the last time they were processed. Avast clocked five minutes and nine seconds to scan the same data, and though it also didn’t get any quicker during subsequent scans, it’s still significantly faster than Windows Defender. Plus, you can easily schedule scans in Avast to run during times when you’re not sitting at your PC, such as after-work hours (assuming you leave your PC on 24/7).
    Windows Defender needed to pull out a win in this round to keep the race interesting, but it doesn’t have the legs to compete with Avast. Using our own collection of malware, Avast detected twice as many dirty files as Windows Defender, though that might have to do with the way each program counts individual files within an infected archive. In both cases, Malwarebytes detected infections that both Windows Defender and Avast missed. However, Avast is better at detecting zero-day threats and adds a second layer of protection through its automatic sandbox mode, which Windows Defender lacks. Finally, we’re a little wary given that Microsoft’s antimalware engine is having trouble passing certification with AV-Test (www.av-test.org), a well-known independent testing laboratory. All things considered, this crucial round goes to Avast.
    Avast wins this bout by taking three of the five categories and tying in another, though it’s not quite as lopsided as it appears. Windows Defender, while not as fully featured as Avast, is capable of blocking common threats, and it doesn’t put a drain on system resources. Avast’s army of defenses is just bigger and better trained to spot danger from more places, like IM clients. It also has a bigger arsenal of weapons.
    Try saving this as an .exe file with Windows Defender.
    It's from Eicar virus testing:

    Code:
    X5O!P%@AP[4\PZX54(P^)7CC)7}$EICAR-STANDARD-ANTIVIRUS-TEST-FILE!$H+H*
    Avast wouldn't even allow it TO be saved.
    Sent it straight to the virus vault.
    A picture:

    Click image for larger version
    Last edited by David Bailey; 17 Mar 2014 at 11:41.
      My System SpecsSystem Spec

  10. #10


    I guess we all use our experience to determine what is best for each of us. I had a very unfortunate experience with Avast! It crashed my PC and I haven't forgotten about it. Over the years I've used Avast!, McAfee, Norton, Kingsoft, AVG, Microsoft Security Essentials, and Windows Defender that I can remember. The only really BAD experience I encountered was with Avast!. I know each AV changes as they progress, but in the back of my mind, the bad experience outweighs the "non-bad". So, for now I'll stick with Defender - especially since Windows 8.1 seems to be a little "picky" about compatibility sometimes.
      My System SpecsSystem Spec

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