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WinHvPlatform.dll

Updated: Files Available: 25
Verified Metadata AI Analysis x86-64 (64 bit)

Download and install WinHvPlatform.dll to fix missing or corrupted DLL errors.

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DLL Overview

Last Updated
Jan 13th, 2026
Filename
WinHvPlatform.dll
Company
Microsoft Corporation
Product
Microsoft® Windows® Operating System
Description
Hyper-V Hypervisor User-Mode API Library
Architecture
x86-64 (64 bit)
Metadata Consensus
25/25 Files 100%
Higher percentages indicate stronger agreement across versions. View available versions or browse repository metadata to compare differences between variants.

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About WinHvPlatform.dll

WinHvPlatform.dll is a DLL file (Dynamic Link Library) used by Windows programs to share code and resources. It allows multiple applications to use the same functions, improving performance and reducing redundancy.

Overview

WinHvPlatform.dll is a DLL file developed by Microsoft Corporation for the Microsoft Windows Operating System. It is part of the Hyper-V Hypervisor User-Mode API Library, which provides a set of programming interfaces for managing and interacting with the Hyper-V hypervisor.

If you encounter an error related to WinHvPlatform.dll, it could indicate a problem with the Hyper-V functionality on your system. Common error messages may include "WinHvPlatform.dll is missing," "WinHvPlatform.dll not found," or "Failed to load WinHvPlatform.dll." To resolve such errors, you can try the following steps:

  1. Restart your computer: Sometimes, a simple system restart can fix temporary issues related to DLL files.

  1. Update Windows: Ensure that your Windows operating system is up to date, as Microsoft often releases updates and patches that address known issues.

  1. Reinstall Hyper-V: If the error persists, you can try reinstalling the Hyper-V feature on your system. This can be done through the Windows Features menu in the Control Panel.

  1. Repair or reinstall affected applications: If the error occurs specifically when using certain applications that rely on Hyper-V, you may need to repair or reinstall those applications to ensure they are properly configured to work with WinHvPlatform.dll.

If the error persists or you require further assistance, it is recommended to consult Microsoft support or seek help from a qualified technical professional.

File information is supported by Human Assisted Artificial Intelligence and should be used as a helpful tool. However, it is important to keep in mind that this information may not be up-to-date or entirely accurate.

Troubleshooting DLL Errors

Most errors involving WinHvPlatform.dll occur because the DLL is missing, corrupted, or outdated. In many cases, reinstalling the related application or replacing the DLL resolves the issue. The steps below cover the most common and reliable ways to fix these errors.

Windows DLL Error Examples

This application has failed to start because WinHvPlatform.dll was not found. Re-installing the application may fix this problem.
WinHvPlatform.dll Not Found.

Fixes and Solutions

The first step in resolving DLL errors is to completely uninstall the affected software and reinstall its latest version. We know this does not always solve the problem, which is why DLLme exists. If reinstalling the application does not help, or if you are unsure which app is causing the error, follow the steps below. These are the most common solutions for fixing WinHvPlatform.dll errors.

  • Repair Windows: Make sure Windows is fully updated, then open Windows Terminal or PowerShell as an administrator (search for “PowerShell” in the Start menu, right-click it, and choose “Run as administrator”). This allows you to repair the Windows component store and run the System File Checker (SFC).

    Repair the Windows component store so SFC can pull clean files:

    DISM /Online /Cleanup-Image /RestoreHealth

    Scan all protected system files and automatically repair problems:

    sfc /scannow
  • Uninstall & Reinstall: On this DLL page, check the Company/Product section to identify the related app, then fully uninstall it. If you plan to continue using it, reinstall the latest version. Be sure to save or back up any important data before uninstalling. Windows or antivirus software may sometimes quarantine DLL files, especially if the DLL is unfamiliar or appears suspicious. Check your antivirus quarantine or logs to determine if this is the cause of your issue.
  • Download the DLL: Download the latest 32-bit or 64-bit version of the DLL directly from our repository using the download button above. Most users will need the 64-bit version, but if you are unsure, or if a 64-bit version is not available, you can install both the 32-bit and 64-bit DLLs. DLLme verifies DLLs that come from our admins, partners, and trusted affiliates. User-uploaded files may be verified later if a trusted source is confirmed.
  • Register the DLL: Most DLL files do not need registration, but some DLLs are COM components and must be registered to work correctly. If registration is required, open Windows Terminal or PowerShell as an administrator.

    Register the DLL (you can also drag the DLL file into the window to automatically fill in its full path):

    regsvr32 "C:\path\to\WinHvPlatform.dll"

    If you are registering a 32-bit DLL on 64-bit Windows, use the 32-bit RegSvr32:

    C:\Windows\SysWOW64\regsvr32 "C:\path\to\WinHvPlatform.dll"

    Or open Windows Terminal/PowerShell in the DLL’s folder and run:

    regsvr32 WinHvPlatform.dll

How to Install WinHvPlatform.dll

To install WinHvPlatform.dll, place the DLL file in the appropriate Windows system folder or in the same folder as the application’s .exe file. If you are not sure which version (32-bit or 64-bit) to use, you can safely install both.

On 64-bit versions of Windows, place 64-bit DLL files in:

C:\Windows\System32\WinHvPlatform.dll

Place 32-bit DLL files in:

C:\Windows\SysWOW64\WinHvPlatform.dll

Or place the DLL file next to the application’s .exe:

C:\path\to\exe\WinHvPlatform.dll

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