> For the complete documentation index, see [llms.txt](https://docs.devolutions.net/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.devolutions.net/password-manager/knowledge-base/application-knowledge-base/lost-the-master-key-set-on-the-devolutions-password-manager-desktop-app.md).

# Lost the master key set on the Devolutions Password Manager desktop app

To perform a clean installation of Devolutions Password Manager or to reset the application in case the master key is lost, delete the local data file.

{% tabs %}
{% tab title="Windows" %}

### Solution

1. Close Devolutions Password Manager.
2. Find and delete the `shared_preferences.json` file (default path: `%AppData%\net.devolutions\Workspace`).
3. Launch Devolutions Password Manager.
   {% endtab %}

{% tab title="macOS" %}

### Solution

1. Close Devolutions Password Manager.
2. Execute the following command in the Terminal: `defaults delete net.devolutions.authenticator`
3. Launch Devolutions Password Manager.
   {% endtab %}

{% tab title="Linux" %}

### Solution

1. Close Devolutions Password Manager.
2. Find and delete the `shared_preferences.json` file (default path: `/home/<user>/.local/share/Workspace/`).
3. Launch Devolutions Password Manager.
   {% endtab %}
   {% endtabs %}


---

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