DllRegisterServer Failed Error Code 0x80004005

Unlocking the mysterious realm of DLL registration errors, this article delves into the enigmatic Error Code 0x80004005, exposing its causes and providing insights on how to overcome its frustrating grip.

Recently, Fortect has become increasingly popular as a reliable and efficient way to address a wide range of PC issues. It's particularly favored for its user-friendly approach to diagnosing and fixing problems that can hinder a computer's performance, from system errors and malware to registry issues.

Download and Install: Download Fortect from its official website by clicking here, and install it on your PC.
Run a Scan and Review Results: Launch Fortect, conduct a system scan to identify issues, and review the scan results which detail the problems affecting your PC's performance.
Repair and Optimize: Use Fortect's repair feature to fix the identified issues. For comprehensive repair options, consider subscribing to a premium plan. After repairing, the tool also aids in optimizing your PC for improved performance.

Symptoms and Causes of dllregisterserver Failed Error

If you encounter the dllregisterserver failed error with error code 0x80004005, it means there is an issue with registering a DLL file on your computer. This error can occur due to various reasons, such as missing administrator permissions or corrupted DLL files.

To fix this error, follow these steps:

1. Open an administrator command prompt by searching for “cmd” in the Start menu, right-clicking on “Command Prompt,” and selecting “Run as administrator.”

2. In the command prompt window, navigate to the directory where the DLL file is located. For example, if the DLL file is located in the C:\_temp\my.dll directory, you would enter “cd C:\_temp” and press Enter.

3. Once you are in the correct directory, use the command “regsvr32 my.dll” to register the DLL file. Replace “my.dll” with the actual name of the DLL file you are trying to register.

4. If you encounter any error messages during the registration process, note down the error code and search for a solution specific to that error code.

Resolving the dllregisterserver Error Code 0x80004005

If you encounter the “DllRegisterServer failed with error code 0x80004005” message, there are a few steps you can take to resolve this issue.

First, make sure you are running the command prompt as an administrator. To do this, search for “cmd” in the Windows search bar, right-click on “Command Prompt,” and select “Run as administrator.”

Next, navigate to the folder where the DLL file is located. Use the “cd” command to change directories. For example, if the DLL file is located in the “_temp” folder, you would enter “cd _temp” in the command prompt.

Once you are in the correct folder, run the following command: regsvr32 my.dll. Replace “my.dll” with the name of your DLL file.

If you still encounter the error, it may be due to missing dependencies. Make sure all necessary files and dependencies are present in the folder.

If the issue persists, you may need to check the permissions for the DLL file and the folder it is located in. Ensure that you have sufficient admin permissions to register the DLL.

Steps to Fix the dllregisterserver Error on Windows PC

Step 1: Run Command Prompt as an administrator by pressing the Windows key + X and selecting “Command Prompt (Admin)” from the menu.
Step 2: Type “regsvr32 [DLL file name]” in the Command Prompt window and press Enter. Replace [DLL file name] with the name of the DLL file causing the error.
Step 3: If the DLL file is located in a different directory, specify the full path in the Command Prompt. For example, type “regsvr32 C:\Windows\System32\example.dll.”
Step 4: Ensure that the DLL file is properly registered by checking for any error messages. If successful, you should see a message confirming the registration.
Step 5: If the error persists, try running the System File Checker (SFC) scan to repair any corrupted system files. Open Command Prompt as an administrator and type “sfc /scannow” followed by Enter. Wait for the scan to complete and follow any instructions provided.
Step 6: If the DLL file is associated with a specific program, try reinstalling or updating that program to resolve any compatibility issues.
Step 7: If none of the above steps work, you can try restoring your system to a previous restore point when the DLL file was functioning correctly.
Step 8: Contact Microsoft Support or seek assistance from a qualified technician if the error persists or if you are unsure about performing any of the steps.

python import subprocess


def register_dll(dll_path):

    try:

        subprocess.check_output(['regsvr32.exe', '/s', dll_path], stderr=subprocess.STDOUT)

        print("DLL registered successfully!")

    except subprocess.CalledProcessError as e:

        print(f"Failed to register DLL. Error code: {e.returncode}, Output: {e.output.decode()}")

# Example usage dll_path = r'C:\Path\to\your\file.dll' register_dll(dll_path)

Please note that you need to replace `C:\Path\to\your\file.dll` with the actual path to the DLL file you want to register. Additionally, running this code requires administrative privileges.

Remember to exercise caution when executing system commands and make sure you understand the implications of the actions you take.

Helpful Tips for Resolving the dllregisterserver Error

If you encounter the “dllregisterserver error” with the error code 0x80004005, follow these helpful tips to resolve the issue:

1. Run regsvr32 in an administrator command prompt to register the DLL. Make sure you have the necessary admin permissions to execute this command.

2. Check if the DLL file is located in the correct directory. It should be present in the specified location, such as _temp\my.DLL.

3. Verify that the DLL file is compatible with your Windows version. The DLL might be designed for a different version, causing the error.

4. Ensure that all dependencies required by the DLL, such as MSVCR70.dll, are correctly installed on your system.

5. If you are using Visual FoxPro DLL or any other specific application, make sure you have the latest product version installed.

By following these steps, you should be able to resolve the dllregisterserver error with the error code 0x80004005. If you need further assistance, reach out to Microsoft support.