Software⏱️ 4 min read📅 2026-06-15

How to Fix: VirtualBox shared folders error

VirtualBox shared folders error fix for Windows 10 host and Linux Mint guest.

Quick Answer: Enable the VirtualBox Guest Additions in the VirtualBox settings, then restart the VM to apply changes.

📋 Table of Contents

  1. 🔍 Why This Happens
  2. 🔧 Proven Troubleshooting Steps
  3. 💡 Conclusion

The VirtualBox shared folders error occurs when you are unable to set up a shared folder between your Windows 10 host and Linux Mint guest operating systems. This issue affects users who want to transfer files between their host and guest machines, but the Devices >Guest Additions section displays an error message.

This problem can be frustrating as it prevents you from efficiently sharing files between your host and guest systems. In this troubleshooting guide, we will walk you through the steps to resolve the VirtualBox shared folders error.

🔍 Why This Happens

  • The primary reason for the VirtualBox shared folders error is that the Guest Additions component in the Linux Mint guest operating system is not properly installed or configured. This can occur when the Guest Additions package is not installed, or it is not correctly integrated with the host machine's file system.
  • Another possible cause of this issue is a problem with the VirtualBox software itself, which may be due to outdated drivers, corrupted installation files, or incompatible configurations.

🔧 Proven Troubleshooting Steps

Enable Guest Additions in Linux Mint

  1. Step 1: Open the Linux Mint guest operating system and navigate to the Devices menu.
  2. Step 2: Select the 'Insert Guest Addition CD image' option from the context menu.
  3. Step 3: Mount the Guest Addition ISO file, which is usually located at /media/cdrom or /media/GuestAdditions.iso. You can do this by right-clicking on the mounted drive and selecting 'Open in File Manager'.
  4. Step 4: Once the Guest Addition ISO file has been mounted, navigate to its contents using a file manager.
  5. Step 5: Look for the `VBoxLinuxAddIns` file and extract it to a temporary location (e.g., /tmp).
  6. Step 6: Run the following command in the terminal: `./VBoxLinuxAddIns --inst`, followed by pressing Enter. This will install the Guest Additions components on your Linux Mint guest machine.

Update VirtualBox Drivers and Configuration

  1. Step 1: Open the VirtualBox software on your host machine.
  2. Step 2: Navigate to Settings > System > Devices, where you can find a list of installed Guest Additions components.
  3. Step 3: Check if any of the Guest Additions components are listed as 'not started' or 'not installed'.
  4. Step 4: Update the VirtualBox drivers by navigating to Settings > System > Devices > and clicking on the gear icon next to each Guest Addition component. Then, click on 'Update driver' and select the latest available version.
  5. Step 5: Restart your host machine after updating the VirtualBox drivers.
  6. Step 6: Verify that the Guest Additions components are now installed correctly by checking their status in the VirtualBox software.

💡 Conclusion

By following these steps, you should be able to resolve the VirtualBox shared folders error and successfully set up a shared folder between your Windows 10 host and Linux Mint guest machines. Remember to enable Guest Additions on your Linux Mint guest operating system and update the VirtualBox drivers if necessary.

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