Error 0xc000012f on Windows 7/8/10: Causes and Solution Methods


0xc000012f is an error that manifests itself during the launch or installation of some software.

This problem is mainly affected by users of the Windows 8 and Windows 10 operating systems. In the error message you can see the following information:

The program “************” is not intended to run on Windows or contains an error.

What is error 0xc000012f ?

Try installing the program again from the original installation media, or contact your system administrator or software vendor for support. Error status 0xc000012f. [Note: in place of the asterisks, the directory of the element that started working with the failure will be indicated]

Of course, the error 0xc000012f could not appear from scratch, since every event in the system has a completely explainable reason. So what are the reasons for error 0xc000012f? Unfortunately, this error is not among those whose appearance can be explained by something definite.

Causes of error 0xc000012f

What are the causes of the error 0xc000012f with the above message? As in most cases, there is no one reason. For example, this problem could be caused by incorrect system settings, corrupted Windows Registry entries, failure to start the program, fragmented files, and so on. So you may need to tinker a bit before you can get rid of it.

Methods to fix error 0xc000012f

Having considered the error message 0xc000012f and its possible causes, let’s proceed to its solution.

Method Number 1: Cleaning the disk from junk files

You may have accumulated huge piles of unnecessary files on your disk that is no longer used by the system or by you, but they could become a catalyst for the appearance of a specified error. To remove junk files from disk, you need to do the following:

  1. Press Windows + R on the keyboard.
  2. Type cleanmgr and press Enter.
  3. Select the desired disk partition and click OK.
  4. And finally, select “Clean system files” and wait for the process to finish.

After you have cleared all partitions on the disk, try again to start the program that previously generated error 0xc000012f. Perhaps among the unnecessary files for the system was an element that caused some kind of conflict.

Method Number 2: Running the SFC utility

SFC is a useful system utility that can scan and repair system files. As already mentioned, damage to system files could be the cause of the problem discussed in this article. To run the SFC, do the following: Right-click on Start and select “Command Prompt (Administrator).”

  1. Type sfc/ scannow and press Enter.
  2. Give the system time to scan and repair some files, if possible.
  3. After the process, restart your computer.
  4. Again, try to run the problem utility, due to which error 0xc000012f appears. If not, let’s move on.

Method Number 3: utility reinstallation

If you could not get rid of this error, then perhaps you should listen to the advice of the message and try to reinstall the program being run. Probably, the program files were damaged due to some actions in the system. Reinstalling it can fix the situation, so why not try.

Note: you can run this method most recently if the software you are running takes too long to reinstall.

Anyway, we still have a couple of methods that can fix the situation with error 0xc000012f.

Method Number 4: Uninstall Windows 10 Cumulative Update

Some experts claim that the error 0xc000012f may appear due to installing the update under the number KB2879017. Following this, you need to remove this update.

  1. Go to your computer settings.
  2. Go to Update and Security.
  3. Select “Windows Update.”
  4. Click on “Advanced Options,” and then click the item responsible for viewing the log of installed updates.
  5. Then click “Remove Updates,” find the update under the number KB2879017 and delete it.

Method Number 5: Using the Windows Recovery Point

If none of the above helped in solving the error 0xc000012f, then it is time to use heavy artillery, or more precisely, to restore the system. For this error, you do not need to use the recovery disk; we will use the usual Windows recovery point.

Normally, Windows creates restore points automatically after installing some software. So in your case, this is probably not a problem.

  1. Click the Windows button.
  2. Enter in the search line “Create a restore point.”
  3. Click on “System Restore,” and then on the “Next” button.
  4. Select the last restore point you have, and then click Next.
  5. Click on “Finish” and wait until your system returns to the specified point.

After performing a system restore, error 0xc000012f should definitely be resolved. We hope that this guide helped you get rid of error 0xc000012f.