If you find your computer stuck with this api-ms-win-core-libraryloader-l1-1-1.dll is missing error when trying to upgrade it to Windows 10, you’re not alone. Many users have reported the same. But don’t worry, it can be easily fixed…

About api-ms-win-core-libraryloader-l1-1-1.dll

api-ms-win-core-libraryloader-l1-1-1.dll” is a type of dll file that enables different applications on Windows to share the same functionality. And since it’s not a file that comes with Windows 7, it can be prone to api-ms-win-core-libraryloader-l1-1-0.dll is missing from your computerapi-ms-win-core-libraryloader-l1-1-0.dll Not Found problems when trying to upgrade from Windows 7 to Windows 10.

6 fixes for api-ms-win-core-libraryloader-l1-1-1.dll is missing from your computer 

Just work your way down the list until the .dll file missing error alert goes away:

  1. Install the api-ms-win-core-libraryloader-l1-1-1.dll file
  2. Download & install Microsoft Visual C++
  3. Move the api-ms-win-core-libraryloader-l1-1-0.dll file
  4. Replace the wimgapi.dll file
  5. Install ALL Windows updates
  6. Want us to fix the problem for you?

Fix 1: Install the api-ms-win-core-libraryloader-l1-1-1.dll file

Perhaps the most straightforward solution to this api-ms-win-core-libraryloader-l1-1-1.dll is missing from your computer error is to restore the missing file. If you don’t know exactly how to install the DLL, or are unsure which version to choose, you can try the following steps.

  1. Go to DLL-Files. Use the search box to look for the DLL file that is missing from your computer.
  2. Once it got a hit in the database, you will see the available dll files. You can then click the file and follow the instruction on the page to download the file to the designated location.
  3. Note that sometimes you may find that there are multiple files available. Mostly you can simple pick the highest version. But when the versions are the same, it could mean that the files work for different architecture. To find out the architechure of your system (whether it’s 64-bit or 32-bit), you can open Windows Settings and check the System type.
Missing DLL files could imply a bigger issue, and sometimes on the system level. If the problem persists, you can use a system repair tool like Fortect to scan for system issues.

Fix 2: Download & install Microsoft Visual C ++

Every so often this api-ms-win-core-libraryloader-l1-1-1.dll is missing error occurs simply because you don’t have the file, which is part of Microsoft Visual C ++. So in Fix 1, we’re gonna download it from the Microsoft official website.

If you’ve already had Microsoft Visual C ++ installed on your PC, you might want to jump to Step 2.
To do so:
  1. Go to Microsoft downloads for Microsoft Visual C ++.
  2. Make sure you click the first link for the latest version.

  3. Click Download

  4. Select your Windows bit version and click Next

  5. Once the download finishes, double-click on the file and follow the on-screen instructions to install.
  6. Keep track of the upgrade and hopefully it proceeds smoothly this time.

Fix 3: Move the api-ms-win-core-libraryloader-l1-1-0.dll file

  1. Depending on what bit version your computer is running:
    • If it’s a 64-bit: copy & paste the api-ms-win-core-libraryloader-l1-1-0.dll file into C:WindowsSysWOW64;
    • If it’s a 32-bit: copy & paste api-ms-win-core-libraryloader-l1-1-0.dll file into C:WindowsSystem32
  2. Restart your computer and see if the .dll file missing error has disappeared.

Fix 4: Replace the wimgapi.dll file

If the two fixes above fail to resolve the api-ms-win-core-libraryloader-l1-1-0.dll file missing problem, then you should probably try replacing the dll file responsible for the error (the wimgapi.dll ) from another local copy. Here’s how to do it…

  1. On your keyboard, press the Windows logo keyand E at the same time. Then copy & paste C:WindowsSystem32 into the address bar and press Enter

  2. Copy & paste wimgapi.dll into the search box. Then copy the wimgapi.dll file.

  3. Go to C:Windows10upgrade and paste the file into the background area.
  4. Click Yes when asked to confirm replacing the wimgapi.dll file with a new one.
  5. Re-launch the upgrade assistant and see if it runs without fail this time.

Fix 5: Install ALL Windows updates

Windows Update keeps releasing patches and packages designated to fix bugs/errors, update/replace files and enhance the overall performance of the Windows components. And api-ms-win-core-libraryloader-l1-1-0.dll missing file can be one of them. To manually run Windows Update:

  1. On your keyboard, press the Windows logo key and type update. Then click on Check for updates

  2. Click Check for updates

  3. All updates available will be downloaded & installed automatically. After that, try the upgrade again and see if it succeeds this time.

Fix 6: Want us to fix the problem for you?

If the fix above didn’t work, and you don’t have the time or confidence to troubleshoot the problem for yourself, get us to fix it for you. All you need to do is buy a 1-year subscription to Driver Easy (just $29.95) and you get free technical support as part of your purchase. This means you can contact our computer technicians directly and explain your problem, and they’ll investigate to see if they can resolve it remotely.

How have the fixes above helped you with your troubleshooting? Do you have any ideas or tips to share with us? Feel free to drop us a comment below to let us know your thoughts. 🙂

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