FIX: The specified module could not be found USB error

Milan Stanojevic
by Milan Stanojevic
Deputy Editor
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  • USB flash drivers are perfect for storing files and folders while on the go: they pack a huge storage capacity compared to their tiny size.
  • But sometimes, even USB flash drives fail to work as intended preventing users from accessing their files.
  • The specified module could not be found is one of the most annoying errors you can experience when connecting your USB flash drive to your computer. In this quick guide, we'll show you how to fix it.
  • This guide is part of our USB hub. Feel free to bookmark it for more handy guides.
fix specified module could not be found usb

One of the most annoying errors that you can experience with your USB flash drive is The specified module could not be found error. This error can prevent you from accessing your files, so today we’re going to show you how to fix it on Windows 10.

What to do if the specified module is missing

Solution 1 – Scan your USB drive for viruses

The specified module could not be found error can sometimes be related to virus infection.

To ensure that you don’t infect your PC, we advise you to scan your drive with an antivirus software. In addition to your regular antivirus, we advise you to use malware removal tool such as Malwarebytes or similar.

For some additional options, check out this guide with the best anti malware software available right now.

If you find any viruses on your drive, be sure to remove them. After removing the viruses, try to access your flash drive again.


Perform a full system scan directly from Windows Defender. Find out how it’s done right here!


Update: We have to mention that the newest antivirus versions have malware detection included. World’s Nr. 1 antivirus at this moment is Bitdefender. With a huge pack of security features, it also keeps your computer away from any malware and it will clean your USB in a second.

We strongly recommend you change your antivirus in case it is a free or cracked version as it’s more than sure that it is outdated and obsolete.


Looking to change your antivirus with a better one? Here’s a list with our top picks.


Solution 2 – Use Command Prompt

The specified module could not be found also appears if the attributes of your flash drive are modified. This usually occurs after a virus infection, so if you haven’t scanned your flash drive already, we urge you to do so.

To change the attributes of your flash drive, do the following:

  1. Check the drive letter of your flash drive. You can do that by opening This PC. Be sure to memorize the correct letter of your USB flash drive. In our case, the assigned letter is F, but it might be different on your computer.
  2. Now open Command Prompt as administrator. To do that, press Windows Key + X to open Win + X menu and choose Command Prompt (Admin).
  3. When Command Prompt opens, you need to enter attrib -h -r -s F:*.* /s /d. Be sure to replace F: with the letter that you got in Step 1. In our example we got F, but you might get a different letter on your PC. It’s important to use the correct letter, but if you accidentally enter the wrong letter you can cause issues with your PC, so be cautious.
  4. Press Enter to run the command.
  5. After the command is executed, close Command Prompt.

After doing that, you should be able to access your flash drive without any issues.


If you’re having trouble accessing Command Prompt as an admin, then you better take a closer look at this guide.


Some users are also suggesting to copy the contents of your flash drive to your hard drive and then use the Command Prompt to fix the problem. To do that, follow these steps:

  1. Open This PC and locate your USB flash drive. Right click it and select Copy from the menu.
  2. Paste the content of your flash drive to a desired folder on your hard drive. We created a new folder just for this purpose.
  3. Hold the Shift key on your keyboard and right click the folder that has files from your USB flash drive in it. Choose Open command window here from the menu.
  4. Command Prompt will now appear. Enter attrib -r -s -h /s /d command and press Enter to run it.
  5. After running the command, close Command Prompt.

If your Shift key isn’t working, fix it quickly with the help of this useful guide.

Now you should be able to access backed up files without issues. Last thing that you need to do is to format your USB flash drive. To do that, follow these steps:

  1. Go to This PC, locate your USB flash drive, right click it and select Format from the menu.
  2. Select formatting options and click the Start button.
  3. Wait while Windows 10 formats your drive.

File Explorer crashes when you right-click on your USB flash drive? Count on us to solve the problem.


After your drive is formatted, you should be able to access it without any problems.

The specified module could not be found USB error will prevent you from accessing files on your USB flash drive. Users reported that changing the attributes of your flash drive can easily fix the problem, so be sure to try that.

In addition, it’s always a good idea to scan your flash drive and be sure that it’s clean from viruses.

If you have any other suggestions or questions, feel free to leave them in the comments section below.

FAQ: Learn more about USB modules

  • Why is my USB flash drive not working?

Here are three of the most common causes that explain why your USB flash drive is not working: the storage device is not plugged in properly on your computer, faulty USB ports or the computer failed to recognize the flash drive.

  • How do I fix an unreadable USB in Windows 10?

To fix an unreadable USB flash drive on Windows 10 plug the device in a different port, unplug all the other peripherals but leave only the flash drive and restart your PC and scan your system for malware.

  • Can you add USB ports to a computer?

You can add additional USB ports to your computer with the help of a USB port hub. Standard USB hubs have 4 ports but you can buy a model with more than 4 ports if you know you need it. Switching to a different USB ports is a quick way to fix common flash drive issues and errors.

Editor’s Note: This post was originally published in April 2018 and has recently been revamped and updated for freshness, accuracy, and comprehensiveness. 

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