Windows 10: Where do I find this file with " ComDlg32.OCX " in Windows 10


  1. Posts : 83
    Windows 10 Professional 64X
       19 Oct 2017 #1

    Where do I find this file with " ComDlg32.OCX " in Windows 10


    Earlier today I was trying to run two different applications not Microsoft and both came up with an error:

    Run-time error 339

    Component 'ComDlg32.OCX' or one of its dependencies not correctly registered.
    A file is missing or invalid.

    My computer is running on Windows 10 Professional 64X and the version is 1709 and OS Build is 16299.19

    Now where will I look for this file in System32 or SysWow64 in Windows folder in main drive. If not then tell me where to locate the file or have to download them from Microsoft or somewhere else?

    John
      My ComputerSystem Spec

  2.    19 Oct 2017 #2

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      My ComputerSystem Spec

  3.    2 Weeks Ago #3

    More: you'll probably find (from an admin command prompt) this fails.
    REGSVR32 C:\Windows\System32\comdlg32 ocx

    The fudge is to ensure the file is present as below and run this command:
    regsvr32 c:\windows\syswow64\comdlg32.OCX
      My ComputerSystem Spec


  4. Posts : 5,999
    Windows 10 Pro X64 17134.191
       1 Week Ago #4

    Here is some info I found on it:

    comdlg32.ocx
    Process name: CMDialog ActiveX Control DLL
    Application using this process: CMDIALOG
    Recommended: Check your system for invalid registry entries.

    What is comdlg32.ocx doing on my computer?
    comdlg32.ocx is a CMDialog ActiveX Control DLL from Microsoft Corporation belonging to CMDIALOG This is an ActiveX control which usually comes with Visual Studio 6.0/Visual Basic 6.0 and is used for showing common dialogs like open or save. comdlg32.ocx is a system process that is needed for your PC to work properly. It should not be removed.
      My ComputersSystem Spec


 

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