Try disabling animation effects in Settings under Accessibility > Visual effects. I also realized turning it off and back on fixes it , at least for me , so you can just leave it disabled if it doesn’t for you. Hope this helps
Disappearance of Windows 11 Taskbar Icons after Switching Virtual Desktops
Windows 11 22H2
In Windows 11's built-in virtual desktop feature, there is a high probability that icons of active applications on the current desktop may not be displayed when switching between different virtual desktops. The icons only appear when I click on the respective application. I have attempted to resolve the issue through restarts and using Sfc and Dism for repairs, but the problem persists. An essential configuration to note is that the taskbar is set to display windows only from the current desktop.
Windows for home | Windows 11 | Performance and system failures
Locked Question. This question was migrated from the Microsoft Support Community. You can vote on whether it's helpful, but you can't add comments or replies or follow the question.
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Anonymous
2024-02-09T21:56:52+00:00 -
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Anonymous
2024-01-19T10:11:47+00:00 I have the same problem. But there is a way how to appear them - to minimize and maximize application. But just temporarily. After a while it happens again. I have the problem when I use multiple desktops an switching between them.
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Anonymous
2024-01-16T17:16:52+00:00 Same problem here, waiting for fix from MS