Cursor hangs after container start when using Dev Containers (WSL)

[quickstar]

Where does the bug appear (feature/product)?

Cursor IDE

Describe the Bug

When attempting to “Reopen in Container” within a project hosted in WSL, the Dev Container build process proceeds through the image creation and container startup phases. However, after the container is successfully started, the process hangs. The UI does not transition into the containerized environment, and no further setup (like installing the VS Code server extensions) occurs.

Steps to Reproduce

1. Open a project located in a WSL partition using Cursor.
2. Run the command “Dev Containers: Reopen in Container”.
3. Observe the Dev Container terminal. The process reaches the “container started” event but fails to connect the IDE to the running container.

Expected Behavior

After the container starts, Cursor should connect to the container, install the necessary server-side components, and refresh the workspace window inside the container environment.

Fyi: It works fine with the current VSCode Version.

Operating System

Windows 10/11

Current Cursor Version (Menu → About Cursor → Copy)

Version: 2.3.34 (user setup)
VSCode Version: 1.105.1
Commit: 643ba67cd252e2888e296dd0cf34a0c5d7625b90
Date: 2026-01-10T21:17:10.428Z
Electron: 37.7.0
Chromium: 138.0.7204.251
Node.js: 22.20.0
V8: 13.8.258.32-electron.0
OS: Windows_NT x64 10.0.26200

Does this stop you from using Cursor

Yes - Cursor is unusable

[deanrie]

Hey, this looks like a known issue with the Dev Containers extension.

A couple things to check:

1. Which Dev Containers extension do you have installed: ms-vscode-remote.remote-containers or anysphere.remote-containers? For Cursor, you need the Anysphere one. If you have the MS extension installed, uninstall it and install anysphere.remote-containers.

2. Can you share the logs from the Dev Containers output?

   • View > Output > pick “Dev Containers” in the dropdown

The team is tracking the issue, but the logs will help us understand what’s specific to WSL.

[quickstar]

Hi @deanrie

Tnx for the reply. I had installed the ms-vscode-remote.remote-containers I was not aware that there’s an anysphere version available! After replacing the extensions it works fine

Thanks for the assistance.