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Fix error 0xc000012f on Windows 10 [STEP-BY-STEP]

How do I fix the error 0xc000012f on Windows 10?

1. Run the sfc/scannow

  1. Press the Windows key to open Start and in the search bar type Command Prompt.
  2. In the search results, right-click on Command Prompt, and select Run as administrator.
  3. Click Allow when prompted.
  4. In Command Prompt, type in the following command and hit Enter: sfc/scannow

  5. Wait for the verification to reach 100%. Once the process is complete, restart the computer.

This is the simplest solution you could try to resolve error code 0xc000012f. Simply run the sfc/scannow command to conduct an automatic system repair.

If this didn’t resolve the issue, move on to the next solution. If you’re having trouble accessing Command Prompt as an admin, then you better take a closer look at this guide.

Has the scannow command stopped before the process finished? Read this article.

2. Use a third-party system repair tool

One other easy way to repair your system files and get rid of these pesky error messages is downloading a tool specialized in keeping your computer in healthy and working condition.

Restoro is one of those awesome software. What it does is, scans your computer for broken files and restores or completely replaces them. You won’t ever need to worry about errors or BSoD crashes anymore.

Windows Update is meant to improve the overall performance of your operating system, integrate new features, and even upgrade the existing ones. However, there are times when certain errors may occur out of the blue.

Thankfully, if you happen to run into such issues, there is a specialized Windows repair software that can help you solve them in no time.

To be more precise, Restoro is a complete system solution ready to restore your PC to an earlier point, with no trace of the annoying error you are worried about.

windows troubleshooters

This powerful and yet compact software enables you to resolve Windows Update errors with just a few clicks of your mouse and without the need to worry about any other side effects.

Next, we will present you with a step-by-step guide that will allow you to successfully set up Restoro. It is up to you to start resolving a great variety of issues, including Windows Update errors:

  1. Download and install Restoro.
  2. Launch Restoro.
    • Restoro will now compile data about your PC.
      Restoro first scan
  3. Wait for it to find any system stability issues and possible malware infections.
    • Once the scan is complete, Restoro will show you a summary of your PC’s current status.
      Restoro repair
  4. Press Start Repair.
    • Restoro will now start downloading and replacing and faulty registries, DLLs, and any other damaged files it may have found during the scan.
    • This is possible thanks to the online libraries that is uses for comparison, replacing damaged data with its perfectly functional equivalent.
  5. Restart your PC for all the changes to take effect.

Your PC should now work perfectly fine, and you will no longer have to worry about slow response times, BSoD errors, or anything of the sort.

Disclaimer: This program needs to be upgraded from the free version in order to perform some specific actions.

3. Uninstall updates

  1. Press the Windows key to open Start and in the search bar type Update.
  2. Select & open Update & Security.
  3. In the Update & security window, select Windows Update.

  4. Click on Advanced Options, then Update history.
    • You will get a list of all the updates that were installed successfully and those that failed to install successfully.
    • Usually, these are the roots of the error.
  5. Click on Uninstall an update.
  6. You will be taken to the Uninstall an update window.
  7. Right-click on the first installed update on the list and click Uninstall.
  8. Confirm your decision & follow the on-screen instructions.

  9. Restart the computer and see if this fixed your issue.
    • If not, repeat the steps for every installed update on the list, until the issue is resolved.

You should try reverting all recent updates, to see if the issue arose from one of them. Follow these steps:

4. Install the Visual C++ Redistributable for Visual Studio

  1.  Download the latest version from Microsoft’s website.
  2. Select the appropriate version of the program.
    • 32-bit if you’re a 32-bit Windows user, or 64-bit if you’re a 64-bit user.
  3. After downloading, Open the installation file.
  4. Follow the on-screen instructions.
  5. Once the install is complete, check to see if the error code 0xc000012f persists.

For some users, installing the latest version of Microsoft’s Visual Studio Redistributable will resolve error code 0xc000012f. Hopefully, your issue was resolved. If not, move onto solution 4.

Looking for an update? Download Visual C++ Redistributable 2019 asap with this article.

5. Check for new updates

  1. Click the Windows key and in the search bar type Update settings.
  2. Select it from the search settings.
  3. In the Windows Update dialogue, click on Check for updates.
  4. This will send an update request to the Microsoft servers, and if any new updates are available, you will be notified.

Run a System Scan to discover potential errors

Restoro Scan

Click Start Scan to find Windows issues.

Restoro Fix

Click Repair All to fix issues with Patented Technologies.

Run a PC Scan with Restoro Repair Tool to find errors causing security problems and slowdowns. After the scan is complete, the repair process will replace damaged files with fresh Windows files and components.

Microsoft frequently releases small and big updates for Windows 10 and with the patches that fix errors such as the error code 0xc000012f.

Once the new updates are installed, error code 0xc000012f will most likely be resolved. If this didn’t work for you, move on to the next solution.

This post was written by Madalina Dinita and was first posted to WindowsReport

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