How to fix api-ms-win-core libraryloader l1-1-1.dll is missing from your computer?

by Lucia Danes - -
12

Question

Issue: How to fix api-ms-win-core libraryloader l1-1-1.dll is missing from your computer?

Hello there. I recently tried to update to Windows 10 (I know I'm late… but I loved Windows 7), and I could not achieve that as I always get the “api-ms-win-core libraryloader l1-1-1.dll is missing from your computer” error message. Is there any way this can be fixed? I tried rebooting, but it does not help. Thanks in advance.

Solved Answer

Windows 10 Upgrade Assistant is a software designed by Microsoft to make the upgrade from Windows 7, 8 or 8.1 to Windows 10 easier. The app consists of a simple GUI[1] that allows users to perform an upgrade, as well as create an ISO[2] in case the device has no internet connection.

In some cases, users reported that as soon as the download of all the files needed for the upgrade is completed, they encounter api-ms-win-core libraryloader l1-1-1.dll is missing error, which prevents them from continuing the installation. This can be especially frustrating, as using the newest operating system becomes impossible.

The error message states the following:

Windows10UpgraderApp.exe – System Error

The program can’t start because api-ms-win-core-libraryloader-l1-1-1.dll is missing from your computer. Try reinstalling the program to fix this problem.

While the api-ms-win-core-libraryloader-l1-1-1.dll error indicates that the file is missing, it does not hint on where the file is located or whether or not other attributes causing this error are missing. If you want a quick solution, we recommend you download and install Reimage. This application is capable of replacing all corrupt files on the system, as it is compiled of 25,000 up-to-date Windows files.[3]

Fix api-ms-win-core libraryloader l1-1-1.dll is missing from your computer

The api-ms-win-core-libraryloader-l1-1-1.dll error started to occur after Windows 10 Fall Creators Update was released. Therefore, the issue was blamed on the Upgrade Assistant, which Microsoft patched shortly after. However, users reported that they still encounter the problem. However, our team compiled a list of solutions that might help you fix the api-ms-win-core-libraryloader-l1-1-1.dll error is missing from your computer error. As we already mentioned, you can also use an automatic solution Reimage, although the software is not free.

Solution 1. Copy the wimgapi.dll file

Fix it now! Fix it now!
To repair damaged system, you have to purchase the licensed version of Reimage Reimage.

Replace wimgapi.dll file

Multiple users said that the api-ms-win-core-libraryloader-l1-1-1.dll error was fixed as soon as they relocated wimgapi.dll file:

  • Go to C:\\Windows\\System32 and locate wimgapi.dll library file
  • Right-click on it and select Copy
  • Go to C:\\Windows10Upgrade folder and paste it by pressing Ctrl + V
  • Restart your computer

Solution 2. Install Microsoft Visual C ++ Redistributable

Fix it now! Fix it now!
To repair damaged system, you have to purchase the licensed version of Reimage Reimage.

Visual C ++ is an important part of Windows. If it is outdated or missing, it might cause the api-ms-win-core-libraryloader-l1-1-1.dll is missing error. Therefore, go to Windows official Microsoft Visual C ++ download site and update it (make sure you download the latest version).

Update Visual C++

Solution 3. Update all the drivers on your computer

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To repair damaged system, you have to purchase the licensed version of Reimage Reimage.

Drivers are vital for computer operation – they ensure that software and hardware communicate correctly. In some cases, these tiny files get corrupted or outdated. In such a case, users can encounter several errors, including api-ms-win-core-libraryloader-l1-1-1.dll is missing. To upgrade drivers, follow these steps:

  • Right-click on the Start button and choose Device Manager
  • Expand any (for example, Display adapters) category and select the device
  • Right-click on it and pick Update Driver 
  • Select Search automatically for updated driver software and wait for Windows to install the updates
  • Restart your computer

Update all drivers

If you think that this process might take too long, we recommend you download and install Smart Driver Updater, which would update your drivers automatically with one button click.

Repair your Errors automatically

ugetfix.com team is trying to do its best to help users find the best solutions for eliminating their errors. If you don't want to struggle with manual repair techniques, please use the automatic software. All recommended products have been tested and approved by our professionals. Tools that you can use to fix your error are listed bellow:

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Still having problems?
If you failed to fix your error using Reimage, reach our support team for help. Please, let us know all details that you think we should know about your problem.
Reimage - a patented specialized Windows repair program. It will diagnose your damaged PC. It will scan all System Files, DLLs and Registry Keys that have been damaged by security threats.Reimage - a patented specialized Mac OS X repair program. It will diagnose your damaged computer. It will scan all System Files and Registry Keys that have been damaged by security threats.
This patented repair process uses a database of 25 million components that can replace any damaged or missing file on user's computer.
To repair damaged system, you have to purchase the licensed version of Reimage malware removal tool.
Press mentions on Reimage

About the author

Lucia Danes
Lucia Danes - Security researcher

Lucia Danes is the news editor at UGetFix. She is always on the move because the eager for knowledge makes her travel around the globe and attend InfoSec events and conferences.

Contact Lucia Danes
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