Windows\system32\ntdll.dll is open error when installing Windows XP SP3

  1. I need help, I cant install windows xp sp3 on my computer
    I get this error message

    Service Pack 3 Setup Error
    The file c:\windows\system32\ntdll.dll is open or in use by another application.

    Close all other applications and then click Retry.
    Retry Cancel

    I get this message everytime I try to install. I have already disabled my antivirus and antimalware but still this error shows up. Help please.

    ------Malwarebytes Anti-Malware (PRO)

    Database version: v2013.10.02.06

    Windows XP Service Pack 2 x86 NTFS
    Internet Explorer 6.0.2900.2180
    MOON :: MOON-2F8500C917 [limited]

    Protection: Disabled

    10/2/2013 11:03:30 PM
    mbam-log-2013-10-02 (23-03-30).txt

    Scan type: Quick scan
    Scan options enabled: Memory | Startup | Registry | File System | Heuristics/Extra | Heuristics/Shuriken | PUP | PUM
    Scan options disabled: P2P
    Objects scanned: 246681
    Time elapsed: 13 minute(s), 54 second(s)

    Memory Processes Detected: 0
    (No malicious items detected)

    Memory Modules Detected: 0
    (No malicious items detected)

    Registry Keys Detected: 0
    (No malicious items detected)

    Registry Values Detected: 0
    (No malicious items detected)

    Registry Data Items Detected: 0
    (No malicious items detected)

    Folders Detected: 0
    (No malicious items detected)

    Files Detected: 1
    D:\Documents and Settings\MOON\My Documents\Downloads\SoftonicDownloader_for_picpick.exe (PUP.Optional.Softonic.A) -> Quarantined and deleted successfully.

  2. jobeard

    jobeard TS Ambassador Posts: 10,845   +897

    You can not install on a running (ie already booted) system.

    One choice is to run Windows Update from an admin login and let it perform Updates. If the SP3 is an update that is available, Update will do the right thing.

    The other choice is to boot a CD and perform an install from the CD (ie the PC is not running from the HD).
  3. Quiolo Angeles

    Quiolo Angeles TS Rookie Topic Starter

    I have already tried running Windows Update by clicking the yellow shield at the bottom right of the screen but it always fails to install service pack 3. I need help please. Thank you
  4. LookinAround

    LookinAround Ex Tech Spotter Posts: 6,491   +184

    In that case I'd suggest you go to our Malware and Virus removal forum. Look at the posts at top of the forum. One of them describes the steps to take in requesting help.

    The experts there will take a deep look for malware

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