How to fix Windows error `comdlg32.ocx`

  • The “comdlg32.ocx” error on Windows is caused by two different problems.
  • Disabling UAC (UAC) can solve the problem for many users, but this method depends primarily on the application that is causing the problem.
  • If the file is missing, corrupt or unregistered, you may need to replace it with a working version and reregister it using the command line.
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A missing or invalid file has been reported as being the cause of this error message: Component comdlg32.ocx or one of its dependencies not correctly registered. You may need to re-download the file or it may be incorrectly registered. In the following steps, let’s see how you can resolve this error.

What is a COMDLG32.OCX file? Why is the error message “Component `COMDLG32.OCX` or one of its dependencies is not registered correctly: file is missing or invalid”? How to fix it? You can get all the answers in this post from Techquack.

About the comdlg32.ocx error in Windows

About the comdlg32.ocx error in Windows

Comdlg32.ocx For Windows 10

One or more of the following errors may occur when running Visual Basic 6.0 on Windows 11/10:

Comdlg32.ocx Missing

There are a few possible causes for the COMDLG32.OCX missing error. This error would occur when the file named COMDLG32.OCX was either deleted, corrupted, or unregistered. Additionally, problems with User Account Control could also result in COMDLG32.OCX missing errors.

It’s not on your computer by default, but various programs use the COMDLG32.OCX file. Visual Basic Runtime Suit contains various functions that are useful in Visual Basic applications.

Comdlg32.ocx Download

You can download the Comdlg32.ocx file and save it to C:\Windows\System32

In Windows 7, Server 2008, or Windows 8, you may receive the following error:

It is possible for the missing error COMDLG32.OCX to be caused by a missing, corrupt, or unsaved file, as well as by issues with user account control (UAC).

Comdlg32 Ocx For Windows 10

Try reregistering comdlg32.ocx by opening the Command Prompt as administrator and typing regsvr32 comdlg32.ocx. Press Enter to finish.

These methods might help you solve your problem.

What causes comdlg32.ocx Error on Windows?

What causes comdlg32.ocx error on Windows?

Here are two possible causes of the “comdlg32.ocx” error in Windows. Hopefully, getting familiar with them will help you reach a final solution.

Problems with the `comdlg32.exe’ file – If the file is missing, corrupt or unregistered, you may need to replace it with a working version and reregister it using the command line. It is possible that the problem application does not have access to the file, so be sure to specify ownership and permissions!

User Account Control (UAC) – Disabling UAC can solve the problem for many users, but this method depends primarily on the application that is causing the problem.

How to fix comdlg32.ocx error?



Updated: March 2024

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How to fix comdlg32.ocx error?

Download a new comdlg32.ocx file download.

COMDLG32.OCX errors can be resolved by replacing the corrupted or missing comdlg32.OCX file with a new one.

  • COMDLG32.ocx must be downloaded to accomplish this
  • By pressing Windows + E, you will open the file explorer.
  • File Explorer can be used to open the download folder.
  • The copy option is available by right-clicking comdlg32.ocx.
  • If you are running Windows 64-bit, open the following path:
    Click here to open the SysWOW64 folder on 32-bit Windows:
    C:WindowsSystem32.
  • The file “comdlg32.ocx” will be copied to the open folder if you right-click in the folder and select “Paste.”.
  • The “Run” application can be opened by pressing Windows + R together.
  • By pressing Ctrl, Shift, Enter, you will launch the “Run” application.
  • The command shown in the screenshot directly below should be typed on 64-bit Windows platforms. After entering the commands, you must press Enter.
  • The screenshot below shows the command to enter for 32-bit platforms.

Resave the existing comdlg32.ocx file

You can save the current file again if the comdlg32.ocx file is not skipped. At the command prompt, type regsvr32 comdlg32.ocx.

Running the software in compatibility mode

Compatibility mode may help you solve the problem.

  1. Commdlg32.ocx error messages are usually accompanied by right-clicking the program icon.
  2. The Compatibility tab will appear in the new window.
  3. By selecting the compatibility mode check box, the program will run in a compatible mode.
  4. You should select an older Windows platform.
  5. If you want to run this program as an administrator, click the Run this program as an administrator button.
  6. The Apply option can be selected, and the window can be closed by clicking OK.

Reinstalling the software

Some users may be able to resolve the error by reinstalling the program that caused the comdlg32.ocx error.

  1. Open Run to get started.
  2. In Run, type appwiz.cpl and click OK to open the uninstaller window.
  3. If the comdlg32.ocx error is occurring with one of the following software, select the software.
  4. You can uninstall the software by clicking “Uninstall” and clicking “Yes”.
  5. The software should be reinstalled after rebooting Windows.
  6. If the remote software is not up to date, then reinstall it.

Deactivate UAC

Certain programs may fail when you deactivate user account control.
Security features like user account control aren’t exactly top-notch, because they encourage users to make significant changes only when they’re about to do so. By disabling it, you can prevent some of the annoying system tool prompts from appearing.

  1. Use the Start menu to locate the Control Panel. The Windows + R combination can also be used to open the “Run” window and type “control.exe”.
  2. By scrolling or looking down, you will find the “User Accounts” option under “Large Icons” in the Control Panel.
  3. Go to the “Change User Account Management Settings” section and click on it.
    When you use the security slider, you will notice that some levels are more secure than others.
  4. The error still persists after you run the problematic program, even if you reduce that value by one. Repeat the process if that doesn’t help.
  5. If the program runs successfully for some time, you should disable user account management and then enable it again.

Some users have reported success with these solutions to fix the comdlg32.ocx error. System files can also be checked, and Windows can be reset to a restore point if necessary.



RECOMMENATION: Click here for help with Windows errors.

Frequently Asked Questions

  1. Determine which software is displaying the error.
  2. Reinstall the software and install any available updates.
  3. Install any available Windows updates.
  4. Check if the OCX problem is resolved.

  1. Press Windows + X, select Command Prompt (Admin) to bring up the extended command prompt.
  2. Enter your credentials for the UAC prompt.
  3. At the prompt, type "regsvr32 comctl32.ocx" and press ENTER.

  1. Download the comdlg32.
  2. Extract the file with WinZip or another program.
  3. Extract the comdlg32 advisor.

comdlg32.ocx is a Microsoft CMDialog ActiveX control DLL that is usually included with Visual Studio/Visual Basic software.

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Mark Ginter is a tech blogger with a passion for all things gadgets and gizmos. A self-proclaimed "geek", Mark has been blogging about technology for over 15 years. His blog, techquack.com, covers a wide range of topics including new product releases, industry news, and tips and tricks for getting the most out of your devices. If you're looking for someone who can keep you up-to-date with all the latest tech news and developments, then be sure to follow him over at Microsoft.