Ocx file information

Version: 6.01.9782
Filesize: 1 MB
Description: Windows Common Controls ActiveX Control DLL


Problem: mscomctl.ocx error occur when the system is incorrectly configured or critical files are missing. These problems happen when a PC is not maintained properly and should be fixed immediately to avoid further damage.

what is mscomctl.ocx

mscomctl.ocx is a file extension for a custom control file format used by ActiveX forms. mscomctl.ocx is used for interface behaviors that are triggered by users or programs; like resizing windows or scroll bar movement.

OCX stands for “OLE control extension.” mscomctl.ocx files were first referred to as Linking and Embedding (OLE) custom controls, but are known now as ActiveX controls.

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Installation instructions

Here is complete guide of mscomctl.ocxl installation. Read it below and you will know where to put mscomctl.ocx.

Step one. Unzip mscomctl.ocx wherever you want.

Step two.Extract mscomctl.ocx to your computer. The best is to unzip it to the directory of the program that request mscomctl.ocx .

In case it doesn’t work, you will have to extract mscomctl.ocx to your system directory.
Default Locations are:
C:\WINNT\System32 (Windows NT/2000)
C:\Windows\System32 (Windows XP, Vista, 7)

In case you are using a 64-bit version of Windows, you should also place it in
Make a backup copy of the original file.
Make sure overwrite any existing files.
Restart your computer.

The problem still occurs? You probably need to register this file so try the following.

register mscomctl.ocx / mscomctl.ocx not correctly registered

When you distribute a Microsoft Visual FoxPro application that uses an ActiveX control (.ocx file), the .ocx file must be registrieren correctly for it to work correctly.

You can use the Microsoft Register Server (Regsvr32.exe) to register a 32- bit .ocx file manually on a 32-bit operating system. In Visual FoxPro 3.0 and 3.0b, Regsvr32.exe is located in the \Vfp\Samples\Ole directory, and in Visual FoxPro 5.0, Regsvr32.exe is located in the \Vfp directory. In Visual FoxPro 6.0, Regsvr32.exe is found in the Distrib.src directory of the Visual FoxPro directory. It may be distributed with a Visual FoxPro application. The syntax for using Regsvr32.exe is as follows:

   Regsvr32 [/u] [/s] <OCX File Name>

Note /u means Unregister the .ocx file.
/s means Silent Mode (display no messages).

The following example registers the Microsoft MAPI ActiveX Control without displaying any messages:

   Regsvr32 /s MSCOMCTL.OCX

To implement this example in a Visual FoxPro application, use the RUN command as follows:

   RUN /N Regsvr32 /s MSCOMCTL.OCX

Note If an error occurs when registering a control, do the following:

  1. Verify in the Registry that the control has not been registered before.
  2. Verify that the following files are in the Windows\System directory:
          mfc30.dll     olepro32.dll     msvcrt20.dll
          mfc40.dll     msvcrt40.dll

    If one of these files is missing, you may receive the following error message:

    Error: OLE Error Code 0x80040112: Appropriate license for this class not found.