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Thread: SDTray.exe, SDWelcome.exe and explorer.exe freeze

  1. #1
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    Default SDTray.exe, SDWelcome.exe and explorer.exe freeze

    Hello,

    Today I tried to install Spybot S&D 2.0 Beta1 on my computer.
    After reboot, SDTray.exe freezes and consume full CPU usage. I killed this process and open C:\ but explorer freezes and no window showed up.
    SDWelcome.exe also freezes consuming CPU.

    Even I reboot into "Diagnosis startup mode" this issue still happen.
    I already tried to uncheck some install options (disable realtime protection, explorer integration etc) but no effect.

    I'm using these software alongside:
    Windows 7 Home Premium SP1 32bit (Japanese)/ avast! Free-Antivirus 6 / Comodo Internet Security (Firewall/Defence+)

    Is there anything I can do for fixing this? Thanks in advance.

  2. #2
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    Hello,

    Do you also have installed any old version of Spybot?
    Probably the TeaTimer is still active?

    Best regards
    Sandra
    Team Spybot

  3. #3
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    Just now I found the cause: seeing Process Monitor and found this string at the tail of the list.
    Code:
    SDWelcome.exe - RegQueryValue - HKCU\Environment\PATH - BUFFER OVERFLOW - Length:144
    Empty this key solved the problem. Now I can start SDWelcome.exe and explorer.
    My old key string is as follows:
    Code:
    C:\Program Files\Intel\WiFi\bin\;C:\Program Files\Common Files\Intel\WirelessCommon\
    Quote Originally Posted by spybotsandra View Post
    Do you also have installed any old version of Spybot?
    Probably the TeaTimer is still active?
    Yes I have old Spybot installed but TeaTimer is disabled.

    Anyway thanks much for your response, and of course new version of Spybot.

  4. #4
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    Trouble... explorer freezes again. Process Monitor says many "BUFFER OVERFLOW" happens in explorer.exe.

    Nearly unusable...

  5. #5
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    Prior to uninstalling it I had exactly the same problem. Other security software running on my system are the same as non_pc's i.e. Avast 6 free and Comodo FW. Could be a conflict?

  6. #6
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    Did you tried to temporarily disable one of those protections?

  7. #7
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    I didn't. After Spybot installed my system started lagging, Spybot was using 50%+ CPU and by double clicking the desktop icon it would jump to 100% making my system completely unresponsive. I had to force restart several times and finally uninstalled it in safe mode...

  8. #8
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    Quote Originally Posted by Tom.K View Post
    Did you tried to temporarily disable one of those protections?
    Yes (both avast and Comodo), even I uninstall Comodo before installing Spybot this problem persists.
    And there is a report at avast forum that avast and Spybot beta can run together (real-time protection are disabled though, but I use same settings) so I don't think this is so called conflict.
    (Yes, there are many posts that talked down Spybot so if you don't like to see such posts please don't see it.)
    http://forum.avast.com/index.php?topic=78138.0


    My guess is either Comodo or avast rewrites some registry keys and this causes buffer overflow. Maybe Comodo, or win7 specific...

    I'll try installing Spybot beta again later today.
    If I make memory dump when freezing happens, can this help you to figure out what's wrong?
    Last edited by non_pc; 2011-05-17 at 14:08. Reason: Add link

  9. #9
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    Update. Installing Spybot 2.0 beta1 again without any resident protection and so far no crash.

    Spybot itself works fine and found some "tracker" things. If anything happens I'll update this thread.

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