mountvol.exe

Windows Mount Point Management Utility

System UtilitySafeSystem Tool
CPU Usage
1-5%
Memory
2-10 MB
Location
C:\Windows\System32
Publisher
Microsoft Corporation

Quick Answer

mountvol.exe is a legitimate Windows utility. It manages volume mount points and VHD mappings via the command line. It runs on demand or during system tasks.

Is it a Virus?
✔ NO - Safe
Must be in C:\Windows\System32\mountvol.exe and signed by Microsoft
Warning
Typically only a handful of system mount tasks
Mountvol schedules mount point changes via scripts or installers; avoid random usage
Can I Disable?
✔ YES
If you do not manage mount points, you can avoid manual usage; system operations may still invoke it

What is mountvol.exe?

mountvol.exe is the Windows command-line utility used to manage volume mount points by mapping volumes to folders instead of drive letters. It can create, delete, or enumerate mount points, mount VHDs, and support script-driven deployment. It is a built‑in system tool for administrators.

mountvol.exe calls the Windows mount manager to add or remove volume mount points and VHD mappings. It operates via reparse points, updating the system's mount point table and directory junctions. Administrative rights are usually required for persistent changes.

Quick Fact: Mountvol.exe is a legacy utility maintained for compatibility with modern mount point features.

Types of MountVol Processes

Is mountvol.exe Safe?

Yes, mountvol.exe is safe when it's the legitimate file from Microsoft and located in the System32 folder.

Is mountvol.exe a Virus or Malware?

The real mountvol.exe is NOT a virus. However, malware can masquerade with similar names.

How to Tell if mountvol.exe is Legitimate or Malware

  1. File Location: Must be in C:\Windows\System32\mountvol.exe or C:\Windows\SysWOW64\mountvol.exe. Other locations are suspicious.
  2. Digital Signature: Right-click mountvol.exe in Explorer → Properties → Digital Signatures. Should show authentic signature from \"Microsoft Windows\" or related Microsoft certificate.
  3. Resource Usage: Normal usage is minimal; persistent high CPU is suspicious.
  4. Behavior: Mountvol.exe should only run when mounting, unmounting, or when invoked by installers. Continuous background activity is unusual.

Red Flags: If mountvol.exe appears in unusual folders (like Temp or AppData), runs without user action, has no valid digital signature, or shows unexpected frequent mount/unmount operations, scan with Windows Defender or Microsoft Defender.

Why Is mountvol.exe Running on My PC?

mountvol.exe runs when Windows needs to manage or modify mount points, or when scripts and installers create VHDs or directory-mounted volumes.

Reasons it's running:

Can I Disable or Remove mountvol.exe?

No, you should not remove mountvol.exe. It is a built-in Windows utility used by the OS and installers to manage mount points. You can avoid manual usage if you don't need it.

How to Stop mountvol.exe

How to Remove Mountvol.exe

Common Problems: Mountvol.exe and Volume Mount Points

If mountvol.exe produces errors or fails to mount, try these known scenarios.

Common Causes & Solutions

Quick Fixes:
1. Open an elevated Command Prompt (Run as administrator).
2. Review syntax with 'mountvol /?'
3. Remove conflicting mount points: 'mountvol <path> /d'
4. Mount a volume to a folder: 'mountvol <folder> <volume_path>'
5. Check for system file integrity with sfc and DISM

Frequently Asked Questions

Is mountvol.exe a virus?

No, the legitimate mountvol.exe from Windows is not a virus. It is located in C:\Windows\System32 and signed by Microsoft. Malware may mimic names, so verify location and signature.

What is mountvol.exe used for?

Mountvol.exe manages mount points, mapping volumes to folders, enabling VHD mounting and folder-based volume access via the Windows mount manager.

How do you use mountvol?

Open an elevated command prompt and run commands like 'mountvol <folder> /r' to mount a volume, or 'mountvol <folder> /d' to dismount. Use 'mountvol /?' for details.

Can I delete mountvol.exe?

No, mountvol.exe is a built-in Windows component. It cannot be safely removed without altering Windows functionality.

Why is mountvol.exe running at startup?

Normally it doesn't run at startup unless a startup script or VM/tool uses it. If you see it running continuously, check for mounting tasks or scripted deployments.

How to fix mountvol errors?

Ensure you run as admin, verify the mount point path exists, confirm the volume is accessible, and run system file checks (sfc/dism) if corruption is suspected.

Related Processes