How To Fix ‘Api-Ms-Win-Crt-RunTime-l1-1-0.dll’ Is Missing Error

Most Windows users get the “Api-Ms-Win-Crt-RunTime-l1-1-0.dll is missing” problem after updating iTunes to the current version. Not only that, but users who are experiencing this issue are unable to open iTunes.

Our investigation revealed that this problem has been going on for a few years and that it seems to resurface everytime Apple releases a new iTunes version. The error “Api-Ms-Win-Crt-RunTime-l1-1-0.dll” may be found in three places, but only the one in Program Files/iTunes is causing problems.

For people who are experiencing the “Api-Ms-Win-Crt-RunTime-l1-1-0.dll” error, we have identified and gathered various solutions.


Understanding the “Api-Ms-Win-Crt-RunTime-l1-1-0.dll is Missing” Error

The “Api-Ms-Win-Crt-RunTime-l1-1-0.dll is missing” error message is a Windows notification indicating that a crucial system dynamic-link library (DLL) file, specifically the Api-Ms-Win-Crt-RunTime-l1-1-0.dll, is not present on your computer.

DLL files are essential components of Windows that various applications and games rely on to function correctly. When this DLL file is missing, incompatible, or corrupted, it can trigger the error, preventing affected programs from running.

This error is particularly common when launching software that relies on Microsoft Visual C++ Redistributable. Now, let’s delve into the common causes behind the “Api-Ms-Win-Crt-RunTime-l1-1-0.dll is missing” error.

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Causes of the “Api-Ms-Win-Crt-RunTime-l1-1-0.dll is Missing” Error

Identifying the root causes of the “Api-Ms-Win-Crt-RunTime-l1-1-0.dll is missing” error is crucial for effective troubleshooting. This error can be triggered by various factors, including:

  1. Missing or Corrupted DLL File: The most common cause is the actual absence or corruption of the Api-Ms-Win-Crt-RunTime-l1-1-0.dll file on your system. This may occur due to accidental deletion or a malware infection.
  2. Incomplete Installation: If an application or game that relies on this DLL was not installed correctly or was interrupted during installation, it can lead to the error.
  3. Outdated or Incompatible Software: Running outdated or incompatible software versions that depend on the DLL can result in this error.
  4. Operating System Issues: In some cases, issues within the Windows operating system itself can lead to DLL-related errors. This might include system file corruption.
  5. Visual C++ Redistributable Package Missing: The “Api-Ms-Win-Crt-RunTime-l1-1-0.dll” file is part of the Microsoft Visual C++ Redistributable Package. If this package is not installed or is incomplete, you can encounter the error.

Now that we’ve identified potential causes, let’s explore practical methods to fix the “Api-Ms-Win-Crt-RunTime-l1-1-0.dll is missing” error.

How to Fix the Missing Api-Ms-Win-Crt-RunTime-l1-1-0.dll Error

If you’re having trouble with the Api-Ms-Win-Crt-RunTime-l1-1-0.dll error, try the following solutions. Please use the approaches as directed until you find a solution that solves the problem for you.

Solution 1: Make a local copy of Api-Ms-Win-Crt-RunTime|1-1-0.dll (temporary fix)

As already said. Some users report that the Api-Ms-Win-Crt-RunTime-l1-1-0.dll file can be located in many locations. Although some customers have reported that changing the file from Program Files > iTunes with a copy from Program Files > Common Files > Apple > Apple Applications Support fixed the api-ms-win-crt-runtime-l1-1-0.dll issue.

However, according to some customers, this workaround only works if you copy and paste all of the DLL files from the Apple Application Support folder. This solution has a good possibility of working, however as we previously stated, and as other users have also reported, this remedy is only temporary.

The file Api-Ms-Win-Crt-RunTime-l1-1-0.dll is part of the Api-Ms-Win-Crt-RunTime-l1-1-0.dll package. When this DLL file is updated, the missing problem will reappear. So, if this happens to you or you’re looking for a long-term cure, skip straight to Method 2.

A fast way to replacing the Api-Ms-Win-Crt-RunTime-l1-1-0.dll file with another local copy is provided below.

Step 1 – First and foremost, ensure that iTunes and any other Apple-related processes are closed.

Step 2 – Go to Program Files > Common Files > Apple /Apple Applications Support and copy Api-Ms-Win-Crt-RunTime-|1-1-0.dll and every other DLL file in the Apple Application Support root folder.

Step 3 – Now go to Program Files > iTunes and paste all of the items you previously copied there.

Step 4 – Launch iTunes and see if the programme starts without the “Api-Ms-Win-Crt-RunTime-l1-1-0.dll is missing” problem. If you’re still having problems, try Method 2.

Solution 2: Using Visual Studio 2015 to install the Visual C++ Redistributable

The win-crt-runtime-l1-1-0.dll file may fail to install with a Windows installation, service pack update, or normal update, as several Windows users have mentioned. Some programmes (including iTunes) require this specific runtime file (win-crt-runtime-l1-1-0.dll) to work properly, therefore this could be a problem.

Fortunately, the Visual C++ Redistributable for Visual Studio 2015 package includes all of the DLL files that iTunes requires. If the problem is fixed after clicking this link (here), you may now download the package and install it on your PC.

Installing the Visual C++ Redistributable for Visual Studio 2015 would almost certainly cure the error; however, if it persists, don’t despair; we still have another option. Simply go to Method 4.

Solution 3: Installing the Universal C Runtime upgrade

Many people have reported that by installing the Update for Universal C Runtime in Windows, they were able to resolve the issue win-crt-runtime-l1-1-0.dll is missing.

Keep in mind that this update should be installed automatically by WU (Windows Update). However, if your device has a lot of updates outstanding and you want to fix the error as quickly as possible, we’ll show you a manual method that will install only the updates that iTunes requires.

To fix the error, uninstall the Universal C Runtime update using the methods below, which are specific to your Windows version:

Step 1- Go to the Microsoft Download Center by clicking here and scrolling down to the Microsoft Download Center (Method 2). Then select the package that corresponds to your Windows version and architecture.

Step 2 – Select your language on the following screen and click the Download button to begin the download.

Step 3 – Once the update has been downloaded, run the installer and follow the on-screen instructions to install it on your computer.

Step 4 – After the installation is complete, restart your computer and check to see if the error has been repaired.

If the situation persists and you’re still having trouble, move on to METHOD 3.

Solution 4: Reinstalling a previous version of iTunes

The solutions stated above have helped a lot of people solve their problems. Other people who haven’t been able to resolve their issues might try installing an older iTunes version. This will assist you in resolving your issue and avoiding the “Api-Ms-Win-Crt-RunTimel1-1-0.dll is missing” error.

However, while this method is useful, it is not as effective as other approaches. This is due to the fact that the application will be downgraded, and the downgrade will not achieve the desired results until the user eliminates all Apple-related components.

Follow the easy steps below to uninstall any Apple-related components and install an older version of iTunes:

Step 1- To launch a Run box, press Windows key + R. To launch Programs and Features, type “appwiz.cpl” and press Enter.

Step 2 – Next, in Programs and Features, click the Publisher button at the top of the column to ensure that every programme signed by Apple inc is uninstalled.

Step 3 – You can also uninstall the Apple inc-signed software one by one by right-clicking on each and selecting Uninstall.

Step 4 – Restart your computer after uninstalling all Apple-signed apps.

Step 5 – When the computer restarts, go to this official link and scroll down to the iTunes installers area. Then, to begin the download, click on a link connected with an older version.

Step 6 – To install the previous version of iTunes on your computer, open the iTunes installer and follow the steps. Reboot your system after the installation is complete to see whether the Api-Ms-Win-Crt-RunTime-l1-1-0.dll is Missing error has been resolved.

Easy Methods to Fix “Api-Ms-Win-Crt-RunTime-l1-1-0.dll is Missing” Error

Resolving the “Api-Ms-Win-Crt-RunTime-l1-1-0.dll is missing” error involves systematic troubleshooting to identify and address the underlying causes. Here are some easy and effective methods to help you fix this error:

1. Install Microsoft Visual C++ Redistributable:

  • The first and most crucial step is to ensure that the Microsoft Visual C++ Redistributable Package is installed on your system. This package contains the necessary DLL files, including the missing one.
  • Download and install the latest version of the Visual C++ Redistributable Package from the official Microsoft website.

2. Repair or Reinstall the Affected Program:

  • If the error is specific to a particular application or game, try repairing or reinstalling it.
  • Navigate to “Control Panel” > “Programs” > “Programs and Features” and find the problematic program. Right-click and select “Repair” or “Uninstall” and then reinstall it.

3. Windows Update and System File Check:

  • Ensure that your Windows operating system is up to date by running Windows Update.
  • You can also run the System File Checker (SFC) tool to scan for and repair corrupted system files. Open Command Prompt as an administrator and run the command “sfc /scannow.”

4. Check for Malware:

  • Perform a thorough malware scan using reputable antivirus or antimalware software. Malware infections can disrupt DLL files and trigger errors.

5. Restore from System Restore Point:

  • If the error occurred after a recent software or system change, consider restoring your system to a previous state using System Restore.

6. Manual DLL Download and Placement:

  • As a last resort, you can manually download the missing DLL file from trusted sources and place it in the appropriate system directory (typically C:\Windows\System32). Exercise caution, as downloading DLLs from unreliable sources can pose security risks.

7. Contact Software Support:

  • If the error persists after trying the above methods, contact the customer support or forums of the software or game you’re trying to run. They may provide specific solutions or updates for the issue.

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The error “Api-Ms-Win-Crt-RunTime-l1-1-0.dll” has been successfully deleted from your device after attempting the various approaches. Please let us know if the problem persists. We’re here to help you with the missing Api-Ms-Win-Crt-RunTime-l1-1-0.dll error.

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