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    I restarted my computer the other day and the computer had several Microsoft Windows updates that it wanted me to update.  I did and when I turned my computer back on I got to my login screen typed in my password and then a black screen and a window were the only things to appear.  The first window was titled "Windows Activation: and said:

    "Windows has discovered a change that will result in limited Windows functionality. Use the link below to find out how to fix Windows."

    The options to choose from were "Learn more online" and "Close" If I chose "Close" it would log me out back to my sign in screen and if I hit "Learn more online" another window popped up in the place of the first with the same "Window Activation title" and said:

    "An unauthorized change was made to Windows

    You will no longer receive notifications, including those about your license or activation. Use the link below to find out how to fix your system.

    Error: 0xC004D401

    Description:

    The security processor reported a system file mismatch error."

    This window only had one button to click on and it said "Learn more online" so I did and it took me to a site on google chrome which I use as my default browser. The page would not load at first and it said "Aw Snap" like chrome does and wanted me to reload...this is the site it took me to:

    "go.microsoft.com/fwlink/?LinkID=89429&OSW=6.0.6001.2.00010300.1.0.000.00.1033&RFM=2&LegitCheckError=C004D401"

    I can't even get the site to reload.

    Please help how do I fix this problem? I have read others who have had similar problems but every person seems to have a different problem or solution so that is why I am typing in exactly as mine is acting.  I have been trying to get it to work for a few weeks and sometimes I can get the page up and loaded that i referenced before and other times not.  Today (I'm not sure what it is called) but when I move my curser over the middle top of my screen the trash can, internet options, photo center, etc comes down like it would normally before this issue happened and even let me browse the internet; but this hidden bar wouldn't show up when I scrolled over it before. 

    Also yesterday I turned on my computer for the first time in a week to see if for some magical reason it was fixed and when I turned on my computer it took me straight to my normal desktop without having me log in.  I thought it was fixed.  I ran  a full scan with BitDefender 2012 security on my computer and everything seemed fine, I restart my computer to make sure it was completely fixed and I'm back at square one.

    Monday, February 27, 2012 7:43 PM

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    "mdkdkl" wrote in message news:41c6fca2-1887-493f-9120-374cd8bedda6...

    I have a windows vista home premium...is that what you meant by version and edition?

    Diagnostic Report (1.9.0027.0):
    -----------------------------------------
    Windows Validation Data-->
    Validation Status: Invalid License
    Validation Code: 50
    Cached Online Validation Code: N/A, hr = 0xc004d401
    Windows Product Key: *****-*****-F4GJK-KG77H-B9HD2
    Windows Product Key Hash: iJAth4TbScMi8HdcPurlASXdEkw=
    Windows Product ID: 89578-OEM-7332157-00204
    Windows Product ID Type: 2
    Windows License Type: OEM SLP
    Windows OS version: 6.0.6001.2.00010300.1.0.003



    Other data-->
    SYSTEM><Manufacturer>Dell Inc.</Manufacturer><Model>Inspiron 1525                   </Model></SYSTEM><BIOS><Manufacturer>Dell Inc.</Manufacturer><Version>A13</Version><SMBIOSVersion major="2" minor="4"/><Date>20080627000000.000000+000</Date></BIOS

    Licensing Data-->
    C:\Windows\system32\slmgr.vbs(1634, 5) (null): 0xC004D401



    OEM Activation 2.0 Data-->
    BIOS valid for OA 2.0: yes
    Windows marker version: 0x20000
      
      SLIC DELL  M08   



    0xc004d401
     
    Please see the following sticky for assistance. 0xC004D401 errors in MGADiag - and System File Mismatch errors
    Noel Paton | Nil Carborundum Illegitemi | CrashFixPC | The Three-toed Sloth
    Tuesday, February 28, 2012 6:54 PM
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    "mdkdkl" wrote in message news:9c111351-d5bb-4905-8dff-c4295cba9815...

     

     

    .

    To properly analyse and solve problems with Activation and Validation, we need to see a full copy of the report produced by the MGADiag tool (download and save to desktop - http://go.microsoft.com/fwlink/?linkid=52012 )
    Once saved, run the tool.
    Click on the Continue button, which will produce the report.
    To copy the report to your response, click on the Copy button in the tool (ignore any error messages at this point), and then paste (using either r-click/Paste, or Ctrl+V ) into your response.
      - **in your own thread**, please
     
    Please also state the Version and Edition of Windows quoted on your COA sticker (if you have one) on the case of your machine, but do NOT quote the Key on the sticker!
    Noel Paton | Nil Carborundum Illegitemi | CrashFixPC | The Three-toed Sloth
    Monday, February 27, 2012 7:53 PM
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    I have a windows vista home premium...is that what you meant by version and edition?

    Diagnostic Report (1.9.0027.0):
    -----------------------------------------
    Windows Validation Data-->
    Validation Status: Invalid License
    Validation Code: 50
    Cached Online Validation Code: N/A, hr = 0xc004d401
    Windows Product Key: *****-*****-F4GJK-KG77H-B9HD2
    Windows Product Key Hash: iJAth4TbScMi8HdcPurlASXdEkw=
    Windows Product ID: 89578-OEM-7332157-00204
    Windows Product ID Type: 2
    Windows License Type: OEM SLP
    Windows OS version: 6.0.6001.2.00010300.1.0.003
    ID: {39C94684-AC83-446A-865D-A13833F56470}(1)
    Is Admin: Yes
    TestCab: 0x0
    LegitcheckControl ActiveX: Registered, 1.9.42.0
    Signed By: Microsoft
    Product Name: Windows Vista (TM) Home Premium
    Architecture: 0x00000000
    Build lab: 6001.vistasp1_gdr.090302-1506
    TTS Error: M:20120228113144616-
    Validation Diagnostic: 
    Resolution Status: N/A


    Vista WgaER Data-->
    ThreatID(s): N/A, hr = 0x80070002
    Version: 6.0.6002.16398


    Windows XP Notifications Data-->
    Cached Result: N/A, hr = 0x80070002
    File Exists: No
    Version: N/A, hr = 0x80070002
    WgaTray.exe Signed By: N/A, hr = 0x80070002
    WgaLogon.dll Signed By: N/A, hr = 0x80070002


    OGA Notifications Data-->
    Cached Result: N/A, hr = 0x80070002
    Version: N/A, hr = 0x80070002
    OGAExec.exe Signed By: N/A, hr = 0x80070002
    OGAAddin.dll Signed By: N/A, hr = 0x80070002


    OGA Data-->
    Office Status: 100 Genuine
    Microsoft Office Home and Student 2007 - 100 Genuine
    OGA Version: N/A, 0x80070002
    Signed By: N/A, hr = 0x80070002
    Office Diagnostics: 025D1FF3-364-80041010_025D1FF3-229-80041010_025D1FF3-230-1_025D1FF3-517-80040154_025D1FF3-237-80040154_025D1FF3-238-2_025D1FF3-244-80070002_025D1FF3-258-3_E2AD56EA-765-d003_E2AD56EA-766-0_E2AD56EA-134-80004005_70AFE6BE-656-80070057_E2AD56EA-815-80070057


    Browser Data-->
    Proxy settings: N/A
    User Agent: Mozilla/4.0 (compatible; MSIE 8.0; Win32)
    Default Browser: C:\Users\Oliver Thwaite\AppData\Local\Google\Chrome\Application\chrome.exe
    Download signed ActiveX controls: Prompt
    Download unsigned ActiveX controls: Disabled
    Run ActiveX controls and plug-ins: Allowed
    Initialize and script ActiveX controls not marked as safe: Disabled
    Allow scripting of Internet Explorer Webbrowser control: Disabled
    Active scripting: Allowed
    Script ActiveX controls marked as safe for scripting: Allowed


    File Scan Data-->


    Other data-->
    Office Details: <GenuineResults><MachineData><UGUID>{39C94684-AC83-446A-865D-A13833F56470}</UGUID><Version>1.9.0027.0</Version><OS>6.0.6001.2.00010300.1.0.003</OS><Architecture>x32</Architecture><PKey>*****-*****-*****-*****-B9HD2</PKey><PID>89578-OEM-7332157-00204</PID><PIDType>2</PIDType><SID>S-1-5-21-445021634-582167150-1064566895</SID><SYSTEM><Manufacturer>Dell Inc.</Manufacturer><Model>Inspiron 1525                   </Model></SYSTEM><BIOS><Manufacturer>Dell Inc.</Manufacturer><Version>A13</Version><SMBIOSVersion major="2" minor="4"/><Date>20080627000000.000000+000</Date></BIOS><HWID>8A303507018400F8</HWID><UserLCID>0409</UserLCID><SystemLCID>0409</SystemLCID><TimeZone>Eastern Standard Time(GMT-05:00)</TimeZone><iJoin>0</iJoin><SBID><stat>3</stat><msppid></msppid><name></name><model></model></SBID><OEM><OEMID>DELL  </OEMID><OEMTableID>M08    </OEMTableID></OEM><GANotification/></MachineData><Software><Office><Result>100</Result><Products><Product GUID="{91120000-002F-0000-0000-0000000FF1CE}"><LegitResult>100</LegitResult><Name>Microsoft Office Home and Student 2007</Name><Ver>12</Ver><Val>63AE3F5EB49D5B8</Val><Hash>mIlBM2iWTdocf5LVsQ96A2Tylsg=</Hash><Pid>81602-OEM-6873236-54820</Pid><PidType>4</PidType></Product></Products><Applications><App Id="16" Version="12" Result="100"/><App Id="18" Version="12" Result="100"/><App Id="1B" Version="12" Result="100"/><App Id="A1" Version="12" Result="100"/></Applications></Office></Software></GenuineResults>  


    Spsys.log Content: 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


    Licensing Data-->
    C:\Windows\system32\slmgr.vbs(1634, 5) (null): 0xC004D401


    Windows Activation Technologies-->
    N/A


    HWID Data-->
    HWID Hash Current: PAAAAAEABgABAAIAAQABAAAAAwABAAEA6GEa5apFtsBszMCyCiVsPEaDTJwGpJT78vSi8f6MrsCsVkbK


    OEM Activation 1.0 Data-->
    N/A


    OEM Activation 2.0 Data-->
    BIOS valid for OA 2.0: yes
    Windows marker version: 0x20000
    OEMID and OEMTableID Consistent: yes
    BIOS Information: 
      ACPI Table Name OEMID Value OEMTableID Value
      APIC DELL   M08    
      FACP DELL   M08    
      HPET DELL   M08    
      BOOT DELL   M08    
      MCFG DELL   M08    
      SLIC DELL   M08    
      OSFR DELL   M08    
      SSDT PmRef CpuPm



    Tuesday, February 28, 2012 5:02 PM
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    "mdkdkl" wrote in message news:41c6fca2-1887-493f-9120-374cd8bedda6...

    I have a windows vista home premium...is that what you meant by version and edition?

    Diagnostic Report (1.9.0027.0):
    -----------------------------------------
    Windows Validation Data-->
    Validation Status: Invalid License
    Validation Code: 50
    Cached Online Validation Code: N/A, hr = 0xc004d401
    Windows Product Key: *****-*****-F4GJK-KG77H-B9HD2
    Windows Product Key Hash: iJAth4TbScMi8HdcPurlASXdEkw=
    Windows Product ID: 89578-OEM-7332157-00204
    Windows Product ID Type: 2
    Windows License Type: OEM SLP
    Windows OS version: 6.0.6001.2.00010300.1.0.003



    Other data-->
    SYSTEM><Manufacturer>Dell Inc.</Manufacturer><Model>Inspiron 1525                   </Model></SYSTEM><BIOS><Manufacturer>Dell Inc.</Manufacturer><Version>A13</Version><SMBIOSVersion major="2" minor="4"/><Date>20080627000000.000000+000</Date></BIOS

    Licensing Data-->
    C:\Windows\system32\slmgr.vbs(1634, 5) (null): 0xC004D401



    OEM Activation 2.0 Data-->
    BIOS valid for OA 2.0: yes
    Windows marker version: 0x20000
      
      SLIC DELL  M08   



    0xc004d401
     
    Please see the following sticky for assistance. 0xC004D401 errors in MGADiag - and System File Mismatch errors
    Noel Paton | Nil Carborundum Illegitemi | CrashFixPC | The Three-toed Sloth
    Tuesday, February 28, 2012 6:54 PM
    Moderator
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    This is NOT a fault with the anti virus software. The fault lies with Windows and the paranoia that Microsoft night be missing out on making money somewhere.

    I received this error after uninstalling the McAfee software that came pre-installed on my machine.

    The message has caused me stress and difficulties and now I wish to Microsoft for compensation - it is not too much to demand that they change the software I have paid for so that it woks properly.

    Monday, May 28, 2012 4:58 PM
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    "NHS Worker" wrote in message news:0a79ec31-37da-4e57-b7fc-8fc30e68b7d1...

    This is NOT a fault with the anti virus software. The fault lies with Windows and the paranoia that Microsoft night be missing out on making money somewhere.

    I received this error after uninstalling the McAfee software that came pre-installed on my machine.

    The message has caused me stress and difficulties and now I wish to Microsoft for compensation - it is not too much to demand that they change the software I have paid for so that it woks properly.

    No - the problem IS with the AV software.
    The AV manufacturers took the earliest opportunity to remove support for older version of Windows that they could.
    MSE will still happily run on Vista RTM (although it's not a supported configuration)
     
    If McAfee came pre-installed then it is at least 3 years out of date - and should be uninstalled immediately and the installation cleaned up using the MCPR tool.
     
    You should then update the machine to SP2 and reinstall a NEW copy of your preferred anti-virus.
     
    Noel Paton | Nil Carborundum Illegitemi | CrashFixPC | The Three-toed Sloth
    Monday, May 28, 2012 5:05 PM
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    Hi Guys,

    Please use the below link.

    http://social.technet.microsoft.com/Forums/en/winservermanager/thread/ca298c12-940b-4c35-a465-137db4b628fd

    All is well

    Ibrahim

    Server Admin

    Wednesday, July 4, 2012 7:06 PM
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    That fix may apply in a Server context - and it may apply in this context also - but given the known causes and cures here, the best solution was the one offered.

    Thanks for the link, though - it's one I hadn't seen before.

    Noel Paton | Nil Carborundum Illegitemi | CrashFixPC | The Three-toed Sloth

    Wednesday, July 4, 2012 7:49 PM
    Moderator