Hi @Martin Gustafsson,
Thank you for posting your question in the Microsoft Q&A forum.
Based on the information you have provided, it looks like you have problem with auto-hide task bar feature.
I'm still not sure whether if you want to hide or unhide the taskbar. Please let me know so I can assist you better.
Additionally, you can double check the taskbar behavior by right-clicking at task bar and choose Taskbar settings.
I hope this information helps. If you still have questions, please feel free to reach out.
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