5 Easy Fixes for Unable to load DLL iastorafsserviceapi.dll 

The “unable to load DLL iastorafsserviceapi.dll” message appears while using Windows Explorer. Many users experienced this issue after installing Windows 10 1903 build. The Intel Optane Memory Pinning error might be displayed as “0x8007007E” on some PCs.

The Intel Optane memory pinning components were modified in the RST driver. Have you upgraded the driver from an older driver to a version between 17.5 and 17.8? Then, the OS will try to restore the removed installation files from the earlier versions. Due to compatibility issues, the PC will display the Intel Optane memory pinning error message.

Now, let’s see the other causes of this error and how you can solve it.

Why does the “Unable to load DLL iastorafsserviceapi.dll” Error Occur?

Intel Optane Memory helps Windows users access files or other data on the PC. The “Unable to load DLL iastorafsserviceapi.dll” occurs when it fails to access the files. Usually, this happens when the Intel RST drivers are missing or corrupted. As a result, the computer shows this error message when you try to open Windows Explorer.

Easy Troubleshooting Tips for the “Unable to load DLL iastorafsserviceapi.dll” Error

You must download and install the Intel RST driver version or later to resolve this issue. Moreover, it will help you to prevent this Intel Optane Memory error after a future OS update. But, if that doesn’t fix the issue, repair the Intel Optane Pinning Explorer extensions. 

Here are the solutions to eliminate the Intel Optane Memory Pinning error:

  1. Download and Install the Latest Intel RST Driver

Connect the Windows 10 computer to the router via an ethernet cable. Locate the “Wi-Fi” icon from the Taskbar and double-tap on it. Select the correct wireless network name (SSID) from the list and click “Connect”.

Open a browser and write “Intel Rapid Storage Technology Driver Installation” in the address bar. Press “Enter” and locate Intel’s website. Open the website and navigate to “Version”. Choose “” or ‘” from the Intel RST driver list. 

Select the Windows OS version and click on the Intel RST drive download link. It may take at least 4-5 minutes to complete the driver installation. After that, open Windows Explorer and access the “Download” folder. 

Locate the Intel RST driver installation file and open it to install. Restart the PC, and it won’t display the “unable to load DLL iastorafsserviceapi.dll” error message. 

  1. Repair the Intel Optane Pinning Explorer Extensions

Repairing the current Intel Optane memory pinning extensions can resolve the problem. To proceed, Windows users must access the “Programs and Features” window. Press the Windows and X keys together to open the Startup menu. 

Select “Run” from the built-in Windows application list. Write ‘appwiz.cpl” when the dialogue box appears. Press “Enter” to open the “Programs and Features” window. Go to the search box and write “Intel Optane Pinning Explorer Extension”.

Opt for “Intel Optane Pinning Explorer Extensions” from the search results. Right-click on this Intel program and choose “Repair” from the pop-up menu. Windows will repair the Intel Optane Pinning Explorer extensions within a minute. Restart the computer, try to open Windows Explorer and check if the error is fixed.

  1. Uninstall the Old Intel Pinning Shell Package

Remove the old pinning package so that this Intel Optane memory does not occur after the next OS update. Press the Windows and X keys together and select “Device Manager” from the drop-down menu. 

Locate “Software components” and double-tap on it. When the pop-up menu appears, right-click on “Intel Pinning Shell Extensions”. Click “Uninstall device” and wait until the confirmation message appears. 

Choose “Delete the driver software for this device” and tap on “Uninstall”. Restart the Windows 10 PC once the uninstallation process is complete. Try to install the latest Windows 10 build and check if the Intel Optane memory error occurs.

  1. Disable the Intel Optane Memory

Disable the Intel Optane Memory after installing the RST drivers. Otherwise, you may experience frequent BSOD errors while using the device. Wondering how to disable the Intel Optane Memory? First, you have to press the Windows and S keys together. Then, write “Intel Rapid Storage Technology” in the search box.

Select “Intel Rapid Storage Technology” from the search results. Head to “Intel Optane Memory” from the “Intel Rapid Storage Technology” window. Tap on “Disable Intel Optane Memory” and click “Yes” when prompted. Windows will display the disabling progress on the screen. Restart the computer when it successfully completes and open Windows Explorer without glitches. 

  1. Change the Intel Optane Pinning Explorer Extensions

You can modify Intel’s Optane pinning explorer extensions to fix this error. To do that, press the Windows and S keys together and write “Apps & Features” in the search box. Go to the search bar when the new window opens. Then, write “Intel Optane Pinning Explorer Extensions” and press “Enter”. 

Click the three dots and select “Modify” from the pop-up menu. Windows will now reinstall the application within a few minutes. Close the “Apps & Features” window afterwards and restart the computer. Go to the Taskbar and open Windows Explorer without experiencing further issues. 

Lastly, Check the Windows 10 PC’s System Requirements …

Certain factors need to be checked before installing the Intel Optane Memory. Otherwise, “unable to load DLL iastorafsserviceapi.dll” may appear on the PC. 

  • The Windows 10 computer should have Intel’s i3, i5 or i7 processor. 
  • It should have the latest Intel RST driver 15.5 or later version. 
  • There should be sufficient space on the laptop or PC to install the Intel Optane Memory. 
  • You should update the BIOS system and the Windows software. 

Intel Optane Memory will work on Windows 10 and Windows 11 computers. It will show an error message if you try installing the Intel Optane Memory on an old PC. Thus, check these criteria before installing the Intel Optane Memory.