Windows Installer could not be accessed

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  1. Posts : 13
    Windows 7 Home Premium x64
       #1

    Windows Installer could not be accessed


    Recently after windows update, updated my computer I started to get Windows Installer could not be accessed error whenever I try to install anything.

    I tried to system restore but for some reason all my restore points were gone.
    No viruses found by Sophos Protection

    Current system:
    Windows 7 SP1 x64
      My Computer


  2. Posts : 881
    Windows 7 Ultimate x64
       #2

    Start off by running system file checker.

    click start
    Type cmd. (Right click on cmd.exe that pops up)
    Click run as administrator
    Once command prompt opens type
    Sfc /scannow
      My Computer


  3. Posts : 13
    Windows 7 Home Premium x64
    Thread Starter
       #3

    parman said:
    Start off by running system file checker.

    click start
    Type cmd. (Right click on cmd.exe that pops up)
    Click run as administrator
    Once command prompt opens type
    Sfc /scannow
    Currently verifying my system
    Will post updates
      My Computer


  4. Posts : 13
    Windows 7 Home Premium x64
    Thread Starter
       #4

    Got an error
    Here is the log
    Attachment 243909
      My Computer


  5. Posts : 881
    Windows 7 Ultimate x64
       #5

    I'm not at my computer to look at the log. I will when I get a chance. Until then check out this tutorial on sfc.

    SFC /SCANNOW Command - System File Checker
      My Computer


  6. Posts : 13
    Windows 7 Home Premium x64
    Thread Starter
       #6

    So what now? I scanned twice same error
      My Computer


  7. Posts : 881
    Windows 7 Ultimate x64
       #7

    follow option 3.

    SFC /SCANNOW Command - System File Checker

    Then look at this guide. I'm sorry its taken so long to get back to you i have been pretty busy.

    Extract Files from Windows 7 Installation DVD

    If you're still having problems completing this post the sfcdetails.txt
      My Computer


  8. Posts : 881
    Windows 7 Ultimate x64
       #8

    First you need to reboot your PC to repair some of the files.

    In %windir%\system32 these files need to be replaced from the extract files of windows 7 installation DVD link above.

    "poqexec.exe"

    After you replace the file. reboot and run it one more time.
    Last edited by Parman; 03 Dec 2012 at 16:38.
      My Computer


  9. Posts : 13
    Windows 7 Home Premium x64
    Thread Starter
       #9

    parman said:
    First you need to reboot your PC to repair some of the files.

    In %windir%\system32 these files need to be replaced from the extract files of windows 7 installation DVD link above.

    "poqexec.exe"

    After you replace the file. reboot and run it one more time.
    Hey it's me again. I thought this topic was dead

    The problem is, I have a laptop with no CD Drive, I do have Factory reset on this laptop, is there a way to extract from there?
      My Computer


  10. Posts : 881
    Windows 7 Ultimate x64
       #10

    If you can get access to a Windows Home premium Iso file then you would be able to do it, or just find someone with a Windows Home Premium PC.
      My Computer


 
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