Repair: DllRegisterServer failed with error code 0x80070005

  • DllRegisterServer failed with error code 0x80070005 when trying to register a Windows DLL file from the Run window and the Windows command line.
  • This article explains the causes and how to solve the problem.
  • The problem is solved by simply forcing the system to recognize the user as an administrator before executing the command.
  • In some cases, the error message appears even if you have the appropriate administrator privileges.

 

Welcome to a comprehensive guide on resolving the notorious DllRegisterServer Error 0x80070005. In this article, we will delve into the root causes of this error and provide you with effective solutions to get your system up and running smoothly again. So, let’s dive in and conquer this pesky error once and for all!

Symptoms and Causes of DllRegisterServer Failed Error 0x80070005

If you are experiencing the “DllRegisterServer Failed Error 0x80070005” while trying to register a DLL file, there are a few symptoms and causes that may help you identify the problem.

Symptoms of this error include receiving an error message with the code 0x80070005, encountering a “Regsvr32” error, or seeing that the DLL file was loaded but the entry point was not found.

Causes of this error can range from permission issues to corrupted files. To fix this error, follow these steps:

1. Run Command Prompt as an administrator.
2. Type “regsvr32 file_name.dll” (replace “file_name.dll” with the name of the DLL file you are trying to register) and press Enter.
3. Check the log file for more details on the error.
4. Ensure that you have the necessary credentials and permission to register the DLL file.
5. If the error persists, try running the command in Safe Mode or repairing the DLL file.

By following these steps, you should be able to resolve the “DllRegisterServer Failed Error 0x80070005” and successfully register the DLL file.

Resolving DllRegisterServer Failed Error 0x80070005

To resolve the DllRegisterServer failed error 0x80070005, you can follow these steps:

1. Run Command Prompt as an administrator: Right-click on the Start menu and select “Command Prompt (Admin)” from the context menu.

2. Navigate to the folder containing the DLL file: Use the “cd” command to change the directory to the folder where the DLL file is located. For example, if the DLL file is in the C:\Windows\System32 folder, you would type “cd C:\Windows\System32” and press Enter.

3. Register the DLL using the Regsvr32 command: Type “regsvr32 [filename.dll]” and press Enter. Replace [filename.dll] with the name of the DLL file you want to register. For example, if the DLL file is “actxprxy.dll,” you would type “regsvr32 actxprxy.dll” and press Enter.

4. Check for any error messages: After running the command, check if there are any error messages. If the registration is successful, you should see a message stating that the registration was successful.

5. Restart your computer: Restarting your computer can help apply the changes made during the registration process.

By following these steps, you should be able to fix the DllRegisterServer error 0x80070005.

Solutions to Fix DllRegisterServer Failed Error 0x80070005

  • Run Command Prompt as Administrator: One of the common causes of the DllRegisterServer error is insufficient privileges. To fix this, open the Command Prompt as an administrator by right-clicking on it and selecting “Run as administrator.”
  • Check User Account Control (UAC) Settings: Ensure that the User Account Control settings are not blocking the registration process. Adjust the UAC settings to allow the necessary permissions for registering the DLL file.
    Run Command Prompt as Administrator: One of the common causes of the DllRegisterServer error is insufficient privileges. To fix this, open the Command Prompt as an administrator by right-clicking on it and selecting "Run as administrator."
Check User Account Control (UAC) Settings: Ensure that the User Account Control settings are not blocking the registration process. Adjust the UAC settings to allow the necessary permissions for registering the DLL file.
  • Scan for Malware: Malware or viruses can interfere with the registration process. Run a thorough scan using reliable antivirus software to detect and remove any malicious files.
  • Disable Antivirus/Firewall: Temporarily disable your antivirus and firewall software, as they may be preventing the DLL registration. Remember to re-enable them once the registration is successful.
  • Use Command Prompt to Register the DLL: Manually register the DLL file by using the Command Prompt. Open Command Prompt as an administrator and type the command “regsvr32 [DLL file name]” to register the DLL.
  • Check File Permissions: Make sure you have appropriate permissions to access and modify the DLL file. Right-click on the DLL file, select “Properties,” go to the “Security” tab, and ensure your user account has full control.
    Use Command Prompt to Register the DLL: Manually register the DLL file by using the Command Prompt. Open Command Prompt as an administrator and type the command "regsvr32 [DLL file name]" to register the DLL.
Check File Permissions: Make sure you have appropriate permissions to access and modify the DLL file. Right-click on the DLL file, select "Properties," go to the "Security" tab, and ensure your user account has full control.
  • Repair System Files: Run the System File Checker (SFC) tool to scan and repair any corrupted system files that may be causing the error. Open Command Prompt as an administrator and run the command “sfc /scannow.”
  • Perform a Clean Boot: Temporarily disable all non-essential startup programs and services by performing a clean boot. This will help identify if any third-party applications are conflicting with the DLL registration process.
  • Restore from System Restore Point: If the DllRegisterServer error started occurring recently, you can try restoring your system to a previous stable state using a System Restore Point.
  • Reinstall the Application: If the DLL file is associated with a specific application, try uninstalling and reinstalling the application to resolve any issues with the DLL registration.
    Restore from System Restore Point: If the DllRegisterServer error started occurring recently, you can try restoring your system to a previous stable state using a System Restore Point.
Reinstall the Application: If the DLL file is associated with a specific application, try uninstalling and reinstalling the application to resolve any issues with the DLL registration.

Preventing DllRegisterServer Failed Error 0x80070005: Tips and Tools

To prevent the DllRegisterServer Failed Error 0x80070005, follow these tips and use the recommended tools:

1. Run Command Prompt as Administrator: Right-click on the Windows Start menu, select “Command Prompt (Admin)”.

2. Use the Regsvr32 Command: To register a DLL file, use the command: regsvr32 . Make sure to replace with the actual path of the DLL file.

3. Check User Permissions: Ensure that you have the necessary permissions to register DLL files. If not, contact your system administrator.

4. Disable Antivirus and Firewall: Temporarily disable any antivirus or firewall programs that may interfere with the registration process.

5. Clear Cache Files: Delete temporary files and clear the cache to resolve any conflicts.

6. Review Log Files: Check the log file for more details about the error. It may provide clues about the cause of the problem.

Remember to always back up your system before making any changes to the registry or system files.

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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.