How to Fix ActiveX Error 429 on Windows?

Issue: I was working with Excel, and it crashed. I was forced to close the program and received “Run-time error ‘429’: ActiveX component can’t create object.” error. I thought it was a one-time problem. However, it has occurred few more times. Is there something wrong with my computer?

Solved Answer

ActiveX error 429 belongs to the wide group of run-time errors. It usually occurs using various Microsoft Office programs, such as Word or Excel, in Windows 10, 8 or 7. The main reasons why this error is triggered might be:

  • corrupted registry entries;
  • deleted operating system’s files;
  • incomplete installation of the program;
  • corrupted system files;
  • corrupted program files;
  • malware attack.

If some of these problems occur, the Windows closes the currently running program and delivers an error message saying:

“Run-time error ‘429’: ActiveX component can’t create object.”

ActiveX Error 429 issue on MS Excel

Methods to fix ActiveX Error 429

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Many different issues can cause Active X Error 429, so there’s a bunch of ways to fix it.

Method 1. Scan the device for malware

Various computer viruses can damage system files, corrupt registry and cause other problems that trigger this error message. Typically, malware attack is followed by system slow downs and other error messages. Therefore, if you have noticed signs of the attack, you should scan the device with reputable malware removal tool, such as FortectMac Washing Machine X9

Method 2. Reregister the program

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If you have encountered the error while using a particular program, it might be the source of the problem. Thus, you should reregister it by following these steps:

1. Login to Windows admin account.

2. Open Run application by pressing Win key +R.

3. Type the full path of the program (including the exe file) in the text box, for instance: C:\\Program Files \\ Mozilla Firefox \\ firefox.exe \\ regserver

4. Click OK.

Method 3. Reregister the specified file

Active X Error 429 might occur due to the corrupted or deleted file. If the error message states that there’s a problem with .ocx or .dll file, you should reregister it.

1. Open Command Prompt:

Windows 10 and 8: Press the Win key + X -> choose Command Prompt (Admin) from the appeared drop-down menu.

Windows 7: Open Start -> Type “cmd” in the Windows search box -> choose necessary result.

2. When in Command Prompt, enter the name of the corrupted file, for instance, regsvr32 Filename.ocx or regsvr32 Filename.dll.

3. Replace the filename with the specified title.

4. Click the Return key for file reregistration.

Method 4. Run the System File Checker

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To repair damaged system, you have to purchase the licensed version of Fortect.

Corrupted system files might be the reason of ActiveX Error 429. In order to fix it, you have to run the System File Checker that is an inbuilt feature in Windows.

1. Enter “cmd” in Windows search box.

2. Right-click on the Command Prompt and choose Run as administrator option.

3. In the Command Prompt type sfc /scannow and click the Return key.

4. When the scan is over, you will receive this message:

“Windows Resource Protection found corrupt files and successfully repaired them.”

5. Restart your computer.

Since then, the ActiveX 429 issue should no longer bother you.

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About the author
Olivia Morelli
Olivia Morelli - PC & Mac repair expert

Olivia Morelli is a young, but a perspicacious IT expert who is currently just a year away from a Bachelor’s Degree in Software Systems. Her primary passion is cyber security, however, thanks to her detailed understanding of computer networks, operating systems and hardware, she can find a fix for any PC or Mac issue...

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Community Answers

  1. 1
    getum says:
    You can easily copy or rename long path files errors by a program named "Long Path Tool. Hope that helps.

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