how to fix, Sorry, this lab is no longer available, on my power bi desktop

Hi K Kgopane,

Thank you for asking this question on the Microsoft Q&A Platform.

Based on your query, it appears that you are encountering difficulties in invoking the lab client simulator for learning power BI.

To address this issue, we recommend following the troubleshooting steps outlined below:

1. Make sure you have the required permissions to access the lab client simulator. Access may be limited to specific users or roles, so ensure you are logged in with the correct account.
2. Try clearing your browser's cache and cookies, then refresh the page and try accessing the lab client simulator again. This can resolve temporary access issues.
3. Browser-specific issues may occasionally prevent access to certain web applications. Try accessing the lab client simulator using a different web browser to determine if the issue persists.
4. For users on corporate or institutional networks, network restrictions or firewalls may be causing access problems. Consult your network administrator to confirm that the necessary access permissions are in place.

These steps are intended to offer alternative approaches to resolving the issue you are encountering.

If you encounter any future issues, please feel free to contact us, and we will be pleased to assist you further.

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Thank you.