# vmmem

Windows Process: Microsoft Corporation

Also called vmmem, vmmem.exe, utility vm memory

Windows, System Component

Guest memory of a utility VM or Hyper-V VM as seen on the host. It is not a file you delete and it is not wsl.exe.

## What you need to know

vmmem is guest memory on the host, not wsl.exe.

vmmem is how Task Manager shows a utility VM or Hyper-V guest working set on the host. wsl.exe is only the launcher. There is no supported vmmem.exe you browse in System32 and delete. WSL2 often labels the same idea vmmemWSL.

- **Safe?**: Yes. It is guest RAM on the host

  **Can I delete it?**: No. It is not a cleanup exe

  **Same as wsl.exe?**: No. wsl.exe is the CLI

Feex says

If vmmem is huge, I shut down the VM or run wsl --shutdown. I do not hunt wsl.exe for those gigabytes, and I do not delete a vmmem file from Explorer.

## What is vmmem?

vmmem is guest memory on the host, not wsl.exe. The CLI does not hold those gigabytes. vmmemWSL is the WSL2-specific label of the same kind of working set. A Hyper-V guest can show vmmem next to vmwp.exe.

## What does it do?

It accounts for RAM the guest committed. It does not list distros and it does not accept \`wsl -l -v\`.

## Why is it running?

A utility VM, WSL2, Docker, or a Hyper-V VM is running. The row shrinks when that VM shuts down, not when you close one unused wsl.exe.

## Why are there multiple copies?

More than one vmmem can be more than one utility VM or guest. That is not extra wsl.exe launchers.

## Is it safe?

Usually safe

The Task Manager row is guest memory. A vmmem.exe in Downloads is not that row. Do not run it, and do not treat wsl.exe as this working set.

A legitimate copy normally runs from:

`Utility VM working set (no delete-safe image)`

- Not a System32 file you should delete
- WSL2 may show vmmemWSL instead
- CLI sibling: wsl.exe, not this row

## Can I end it?

Shut down the VM, do not delete a file

Windows may not offer a clean End task. Use Hyper-V shutdown, Docker quit, or \`wsl --shutdown\`. Ending wsl.exe only closes the CLI. Do not delete a vmmem.exe from disk.

## Can I remove it?

No

You cannot uninstall vmmem. Cap WSL2 with .wslconfig memory=, or turn the VM off. Do not delete System32. Removing wsl.exe is not a memory wipe.

## Should it start with Windows?

A running VM creates the row. This is not Startup Apps.

## Normal resource behavior

These are contextual labels, not universal averages.

- **CPU**: Follows guest CPU

  **Memory**: The guest working set. This is the point of the row

  **Disk**: Guest paging and VHDX, not a vmmem file you manage

  **Network**: Guest traffic, not the RDP client

## File information

| Executable name        | vmmem                                         |
| ---------------------- | --------------------------------------------- |
| Common legitimate path | Utility VM working set (no delete-safe image) |
| Publisher              | Microsoft Corporation                         |
| Signature expectation  | Signed by Microsoft Windows                   |

## Common problems

### People download vmmem.exe to "remove the process"

There is no official cleaner. The real row has no folder. Treat that download as unwanted software.

### RAM stays after they closed the Ubuntu window

The utility VM can idle. wsl --shutdown from wsl.exe releases it. Closing the CLI window is not enough.

## Troubleshooting

Diagnose before you change anything destructive.

### Identify the guest, then shut that stack down

WSL: wsl -l -v then wsl --shutdown. Hyper-V: Hyper-V Manager. Docker: quit Docker Desktop. Do not end wsl.exe as a RAM tool.

### If you found vmmem.exe under Downloads, do not run it

Delete that dropped file as unwanted software. The Task Manager working set is not in that folder.

## Technical details

Technical details

| Display name | vmmem                                  |
| ------------ | -------------------------------------- |
| Role         | Host view of guest / utility-VM memory |

## Related

These entities connect to this article. Type is shown on every link.

[wsl.exe: Windows Process](https://feex.it/wiki/process/wsl.exe)[vmmemWSL: Windows Process](https://feex.it/wiki/process/vmmemwsl)[vmwp.exe: Windows Process](https://feex.it/wiki/process/vmwp.exe)[When high CPU is normal: Guide](https://feex.it/wiki/software/system/when-high-cpu-is-normal)

## Sources and verification

Reviewed by Feex editorial. Last verified August 2026 Status: Feex Reviewed. [How we research](https://feex.it/wiki/research).

- [Microsoft Learn: WSL configuration ](https://learn.microsoft.com/windows/wsl/wsl-config)· Limit WSL2 VM memory with .wslconfig, then wsl --shutdown
- [Microsoft Learn: WSL basic commands ](https://learn.microsoft.com/windows/wsl/basic-commands)· wsl.exe controls distros, it is not the memory row
- [Foxhole process map ](https://foxhole.feex.it/)· First-party samples on Windows PCs. Not a lab benchmark.

## Was this article useful?

A yes or no is enough. Pick a reason if you want, or add a short note.

Quick facts

The short identity of this page. Specs, sources, and the full story stay in the article.

- **Type**: Windows Process

  **Publisher**: Microsoft Corporation

  **Executable**: vmmem

  **Typical path**: Utility VM working set (no delete-safe image)

  **Mapped by Feex**: Seen on Windows PCs in Foxhole

Feex Reviewed: Last verified August 2026

---

Source: [Canonical Feex Wiki page](https://feex.it/wiki/process/vmmem/)

[Developer guide](https://feex.it/wiki/developers/) | [API policy](https://feex.it/developers/api-policy/) | [Agent guidance](https://feex.it/wiki/llms.txt)