1.    07 Sep 2015 #1
    Join Date : Sep 2015
    Posts : 1
    Windows 10 64

    32 bit common dialogs not working on 64 bit os

    Running windows 10 64. Common dialogs on 32 bit applications do not work/appear.
    First i thought there was only a problem with chrome, save dialog do not work/appear and i cannot download anything, unless you config chrome for autodownload. Then i realized that it was the entire system. 32 bit application common dialogs do not work. All 64 bit applications "open", "save" file dialogs work correctly. I cannot even open a project in Visual Studio 2015. I have installed chrome 64 and it works ok.
    SFC didnt fix the problem, even after deleting common controls known files, such as comdlg32.dll, comctl32.dll from syswow64. With Process Explorer from Windows SysInternals, i have found that some 32 bit programs use comctl32.dll files from C:\Windows\WinSxS\x86_microsoft.windows.common-controls_... folders. I have not deleted them yet to see if sfc repairs them.

    I have tried to reinstall windows 10 from usb but it does not work.

    I have disabled all non microsoft applications and third party shell extensions from startup...nothing.

    The only thing i have found to fix it is disabling visual themes in compatibility options (although windows 10 does not have this option, u can set the DISABLETHEMES flag in the registry, in HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows NT\CurrentVersion\AppCompatFlags\Layers). I thought it was the solution, Visual Sutdio works after 5 days yuhuuuu!!, but besides it ruins all the aspect of the application, i have found some other applications that still do not work, such as openiv, a GTA Editor, when i click on "Browse" to select the path for gta, the dialog does not appear.
    I made a simple visual studio solution and when calling openfiledialog showdialog, it does not wait, it continues running to the next line code. Normally it opens the dialog and the program execution is "suspended" until user closes/accepts the dialog. Maybe it opens and closes immediately, i dont know, i have not been able to trace what happens after ShowDialog is called.
    Five days googling the same sites and no solution. Disable Firewall, windows defender, onedrive (thinking that "old" applications do not expect to find an onedrive access in the open file dialog side panel), i do not have any other network drive, nothing works. It's the only thing that i am doing from 5 days ago, trying to fix it, seeing the same sites once and again, and it does not seem to be a common problem, or at least i am not searching properly.
      My System SpecsSystem Spec

  2.    25 Jan 2016 #2
    Join Date : Jan 2016
    Posts : 1
    Windows 10


    I wanted to thank you for taking the time to write this post. I thought you might like to know it made all the difference in cracking a problem with fixing a Windows 95 game, MissionForce: CyberStorm, that was simply closing instead of opening the file dialog. My searches were turning up very little and this one post provided the clue I needed to look deeper into the compatibility flags -- something I was not aware of as available. Therefore, on behalf of everyone who will use my patch, "Thank you!"

      My System SpecsSystem Spec


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