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How do I fix c0090030?

Alton Alexander
By Alton AlexanderUpdated on June 3rd, 2022

The c0090030 error code is a Windows error code that indicates a problem with the registry. This error code can be caused by a variety of factors, including a corrupt registry, a virus or malware infection, or a hardware issue. If you are seeing this error code, it is important to first try to repair the registry. You can do this by using a registry cleaner program to scan your system for errors and then fix them. If the registry is not the cause of the c0090030 error code, you may need to clean your system of viruses or malware. You can do this by using a reputable anti-virus or anti-malware program. Finally, if the c0090030 error code is still occurring, it is possible that there is a hardware issue. You can try to update your drivers or run a hardware diagnostic to see if there is a problem.

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1. Use a Registry cleaner to scan for and fix any errors in your Registry

To use a Registry cleaner to scan for and fix any errors in your Registry, follow these steps:

  1. Open the Registry Editor.
  2. Navigate to the location of the Registry cleaner you want to use.
  3. Double-click the Registry cleaner icon to launch it.
  4. Click the “Scan for errors” button to start the scan.
  5. If you find any errors, click the “Fix errors” button to fix them.

2. Run a virus scan using your antivirus software

  1. Open your antivirus software and sign in.
  2. On the main window, click the "Scan" tab.
  3. Under "Scan type," select "Virus scan."
  4. In the "Scan settings" window, click the "Advanced" tab.
  5. In the "Scan options" window, click the "Scan options" button.
  6. In the "Scan options" window, under "Settings," select the "Check for updates" checkbox.
  7. Click the "Scan" button.
  8. When the scan is complete, click the "Fix" button.

3. Use a malware scanner to scan for and remove any malware from your system

  1. Download and install a malware scanner to scan your system for any malware.
  2. Run the malware scanner and scan your system for any malware.
  3. If you find any malware on your system, remove it using the malware scanner.

4. Use a system file checker tool to scan for and replace any corrupt system files

  1. Launch a system file checker tool to scan for and replace any corrupt system files.
  2. If any corrupt system files are found, replace them with the latest version.
  3. Reinstall the affected software, if necessary.
  4. Check the system for any further errors.

5. Repair any damaged system files using the SFC tool

  1. Open Command Prompt as an administrator.
  2. Type the following command and press Enter: sfc /scannow
  3. If the command is successful, you will see a message similar to the following: Microsoft Windows Server 2003 File Checker: The file system is healthy. No repairs are required. If the command is not successful, you will see a message indicating that the file system is not healthy. In this case, you will need to perform the repairs using the SFC tool.
  4. To repair the damaged files, type the following command and press Enter: sfc /scannow /fo:extract
  5. The extract command will extract the files that are damaged and place them in a new directory.
  6. To finish repairing the files, type the following command and press Enter: sfc /scannow /finish

Still not working? maybe try one of these options:

  1. Use the DISM tool to repair any damaged or corrupt system files.
  2. Reset your PC to its default settings.
  3. Reinstall Windows.