VirtualBox is a versatile and widely used virtualization software that allows users to run multiple operating systems simultaneously on a single computer. While VirtualBox provides seamless virtualization, over time, it can accumulate cache files that may impact its performance and result in various glitches. The process to clear VirtualBox cache can help optimize its functionality, enhance performance, and resolve issues such as slow response times, lagging virtual machines, or unexpected errors.

In this article, we will walk you through the process of clearing the cache in VirtualBox. Whether you're a seasoned VirtualBox user or just getting started, understanding how to clear the cache will prove invaluable in maintaining a smooth virtualization experience. So, let's dive in and explore the step-by-step instructions to clear the cache in VirtualBox and improve its overall performance.

Contents: Part 1. Is It Safe to Clear VirtualBox Cache?Part 2. How Does Clear VirtualBox Cache Affect Snapshots?Part 3. How to Clear VirtualBox Cache on Windows?Part 4. How to Clear VirtualBox Cache on Mac?Final Thoughts

Part 1. Is It Safe to Clear VirtualBox Cache?

Clearing the cache in VirtualBox is a safe and common practice that can help enhance the performance of your virtual machines. The cache files primarily consist of temporary data that VirtualBox uses to speed up operations and improve efficiency. However, over time, these cache files can accumulate and potentially impact performance or cause glitches.

By clearing the cache, you are essentially refreshing VirtualBox and allowing it to rebuild the necessary cache files as you continue using the software. Rest assured that clearing the VirtualBox cache is a standard procedure and should not pose any risk to your virtual machines or data.

In addition to being safe, clearing the VirtualBox cache offers several benefits. First and foremost, it can help resolve performance issues that may arise from outdated or corrupted cache files. Clearing the cache provides a fresh start, allowing VirtualBox to operate at its optimal efficiency.

Moreover, by removing unnecessary cache data, you can free up valuable disk space on your host system, which can be particularly beneficial if you are running VirtualBox on a computer with limited storage capacity. Overall, regularly clearing the VirtualBox cache is a proactive measure to ensure smooth virtualization and maintain a high level of performance.

Clear VirtualBox Cache

Part 2. How Does Clear VirtualBox Cache Affect Snapshots?

When it comes to VirtualBox, clearing the cache does not directly affect snapshots. Snapshots in VirtualBox are separate entities that capture the state of a virtual machine at a specific point in time, including the disk and memory contents. Clearing the cache does not delete or modify the existing snapshots or their data.

Snapshots in VirtualBox primarily capture the virtual machine's disk state, including the operating system, applications, and files. The cache, on the other hand, consists of temporary data used by VirtualBox for optimization purposes. Clearing the cache does not affect the captured disk state saved in snapshots.

It is worth noting that snapshots can consume a significant amount of disk space over time. If you are experiencing low disk space issues or want to reclaim storage, you can consider deleting unnecessary snapshots or consolidating them. However, these actions are separate from clearing the VirtualBox cache.

For specific instructions on managing snapshots in VirtualBox, it's recommended to refer to official documentation or consult the VirtualBox community forums for expert advice.

Part 3. How to Clear VirtualBox Cache on Windows?

If you're using VirtualBox on a Windows operating system and experiencing performance issues or glitches, clearing the VirtualBox cache can help resolve these issues and optimize your virtualization experience. Here's a step-by-step guide on how to clear the VirtualBox cache on Windows:

  1. Close VirtualBox and Virtual Machines. Before proceeding with clearing the cache, make sure to close all instances of VirtualBox and any virtual machines that are currently running. This ensures that VirtualBox is not actively using the cache files during the clearing process.
  2. Locate VirtualBox Cache Files. The VirtualBox cache files are stored in specific directories on your Windows system. To locate these files, follow these steps:
  3. Open File Explorer on your Windows computer.
  4. In the address bar, type or copy and paste the following path:
  5. %appdata%\VirtualBox
  6. This will take you to the VirtualBox directory where the cache files are stored.
  7. Clear the VirtualBox Cache. Once you are in the VirtualBox directory, you can proceed to clear the cache files. Here's how:
    1. Select all the files and folders within the VirtualBox directory.
    2. Right-click on the selected files/folders and choose "Delete" from the context menu.
    3. A dialog for confirmation may actually appear to ask you if you want to permanently delete the selected items. Click "Yes" to proceed.
    4. Note: Deleting the cache files will not affect your virtual machines or their associated data. It only removes temporary files used by VirtualBox for optimization.
  8. Empty the Recycle Bin. After deleting the cache files, it's a good practice to empty the Recycle Bin to permanently remove them from your system. To do this:
    1. Right-click on the Recycle Bin icon on your desktop.
    2. Select "Empty Recycle Bin" from the context menu.
  9. Restart VirtualBox and Virtual Machines. Now that you have cleared the VirtualBox cache, you can restart VirtualBox and your virtual machines. Launch VirtualBox and start your virtual machines to observe any improvements in performance and stability.

Clear VirtualBox Cache on Windows

Optional Steps to Clear VirtualBox Cache

If clearing the cache does not resolve the issues you're experiencing, you may consider reinstalling VirtualBox as a more advanced troubleshooting step. Reinstalling VirtualBox can help ensure that all associated files and settings are properly reset. However, note that this step should be taken with caution and as a last resort.

To reinstall VirtualBox, follow these steps:

  1. Uninstall VirtualBox from your Windows system. You can do this by going to "Control Panel" > "Programs" > "Uninstall a program." Locate VirtualBox from the list of installed programs, right-click on it, and choose "Uninstall."
  2. After uninstalling VirtualBox, restart your computer.
  3. Download the latest version of VirtualBox from the official website (
  4. Run the VirtualBox installer and follow the on-screen instructions to reinstall VirtualBox on your Windows system.
  5. Once the reinstallation is complete, launch VirtualBox and set up your virtual machines as needed.

Remember to back up any important data or virtual machine configurations before uninstalling or reinstalling VirtualBox.

By following these steps, you should be able to successfully clear the VirtualBox cache on your Windows system, optimizing the performance of your virtual machines and resolving any cache-related issues you may encounter.

Part 4. How to Clear VirtualBox Cache on Mac?

When it comes to clearing the VirtualBox cache and optimizing its performance, a reliable and efficient option is to use a dedicated system maintenance tool like PowerMyMac. It is a comprehensive utility software designed to clean up, optimize, and maintain your Mac system, including clearing cache files for various applications.

One of the standout features is its "Junk Cleaner" module, which specifically targets and clears app cache on Mac, including VirtualBox. Here's how you can use this tool to clear VirtualBox cache on Mac:

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  1. Download and Install PowerMyMac. Follow the instructions to install it on your Mac.
  2. Open the app from your Applications folder and click on the “Junk Cleaner” module on the main interface.
  3. Click on the “SCAN” button to analyze your Mac system and identify junk files, including the VirtualBox cache.
  4. Once the scan is complete, PowerMyMac will present a list of junk files found on your system. Browse through the list and locate the VirtualBox cache files.
  5. Select the VirtualBox cache files from the list and click on the “CLEAN” button to remove them from your system.

Clear VirtualBox Cache on Mac

PowerMyMac will safely delete the cache files, freeing up storage space and optimizing the performance of VirtualBox. In addition to clearing VirtualBox cache, it offers various other system optimization tools such as App Uninstaller (for you to delete VirtualBox if you want), Duplicate Finder, Privacy, and other functions, making it a versatile solution for maintaining the overall performance and health of your Mac.

Final Thoughts

When it comes to clearing the VirtualBox cache and optimizing your virtualization experience, using a reliable and feature-rich tool like PowerMyMac proves to be the best choice. It offers a comprehensive set of features designed to clean, optimize, and maintain your Mac system, making it the ideal solution for clearing the VirtualBox cache.

It's important to note that while PowerMyMac is a powerful tool, it's always recommended to back up your important data and exercise caution when performing any cleaning or optimization operations on your system, and it ensures a smooth and optimized virtualization experience, making it the best tool for the job.