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Thread: Bluescreen after install upon OS start

  1. #1
    Join Date
    Feb 2014

    Default Bluescreen after install upon OS start


    I have installed ZA free Antivirus and Firewall. After the reset, OS launches with a blue screen with amppal.sys details.

    I would attach the dump file of the BSOD, but it says it is invalid file upon upload.

    I suspect the Intel Centrino Wireless Bluetooth 3.0 got screwed by this install.

    I there any preceding problem with this service?

    Host Name: PITTYESZ-PC
    OS Name: Microsoft Windows 7 Professional
    OS Version: 6.1.7601 Service Pack 1 Build 7601
    OS Manufacturer: Microsoft Corporation
    OS Configuration: Standalone Workstation
    OS Build Type: Multiprocessor Free
    Registered Owner: Pittyesz
    Registered Organization:
    Product ID: 00371-177-0000061-85500
    Original Install Date: 11/12/2013, 11:15:54 PM
    System Boot Time: 2/16/2014, 6:50:46 PM
    System Manufacturer: ASUSTeK Computer Inc.
    System Model: U36SG
    System Type: x64-based PC
    Processor(s): 1 Processor(s) Installed.
    [01]: Intel64 Family 6 Model 42 Stepping 7 GenuineIntel ~2494 Mhz
    BIOS Version: American Megatrends Inc. U36SG.203, 6/20/2012
    Windows Directory: C:\Windows
    System Directory: C:\Windows\system32
    Boot Device: \Device\HarddiskVolume1
    System Locale: en-us;English (United States)
    Input Locale: en-us;English (United States)
    Time Zone: (UTC+02:00) Athens, Bucharest, Istanbul
    Total Physical Memory: 4,001 MB
    Available Physical Memory: 2,745 MB
    Virtual Memory: Max Size: 8,000 MB
    Virtual Memory: Available: 6,730 MB
    Virtual Memory: In Use: 1,270 MB
    Page File Location(s): D:\pagefile.sys
    Domain: WORKGROUP
    Logon Server: \\PITTYESZ-PC
    Hotfix(s): 3 Hotfix(s) Installed.
    [01]: KB971033
    [02]: KB2534111
    [03]: KB976902
    Network Card(s): 3 NIC(s) Installed.
    [01]: Atheros AR9002WB-1NG Wireless Network Adapter
    Connection Name: Wireless Network Connection
    DHCP Enabled: Yes
    DHCP Server:
    IP address(es)
    [02]: fe80::34f4:c842:fbb8:e97f
    [02]: Microsoft Virtual WiFi Miniport Adapter
    Connection Name: Wireless Network Connection 2
    Status: Media disconnected
    [03]: Atheros AR8151 PCI-E Gigabit Ethernet Controller (NDIS 6.20)
    Connection Name: Local Area Connection
    Status: Media disconnected

  2. #2
    Join Date
    Nov 2004

    Default Re: Bluescreen after install upon OS start

    Sorry all users here and ZAfree offers no official support.
    Looks like you have a problem with the centrino drivers. Best would be to update or re-install those drivers. See for example here:

    Probably a coincidence as ZA has nothing to do with Bluetooth drivers.

    You have to to check for the right driver at Intel website:
    Last edited by fax; February 16th, 2014 at 10:26 AM.

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  3. #3
    Join Date
    Feb 2014

    Default Re: Bluescreen after install upon OS start

    Hi fax!

    Thank you for your fast reply!

    I would like to summarize how I managed to resolve the problem -indeed, reinstalling that particular SW Intel Centrino Wireless Bluetooth High Speed 3.0 (later on referenced as blabla). Though, I didn't kept the ZA free version either.

    It was my friends laptop. Who is not so tech-savy, and I did not had belief in the ZA that will keep stability further, when I will out of reach.

    • Disabling the specific service through msconfig (the blabla) does not prevents its initialization on OS startup, thus BSOD.
    • Uninstalling ZA first (with clean uninstall) doesn't resolves the problem either, this particular blabla apppal.sys remains bugged further.
    • Only way is to reinstall this blabla SW.

    I advise for novice troubleshooters (such as myself) to use a bluescreen reader to trace back the exact driver causing the headache.

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