I'm sorry to hear that you're experiencing technical difficulties with your computer. It sounds like your computer may have encountered a problem, causing your desktop to disappear. Here are a few steps you can try to resolve the issue:

1. Try pressing the "Ctrl + Alt + Delete" keys on your keyboard. This should bring up the Task Manager. If you can see the Task Manager, try ending any non-essential processes to free up resources.
2. If the Task Manager does not appear, try pressing the Windows key on your keyboard. This should bring up the Start menu. From there, you can search for "Task Manager" and try opening it that way.
3. If neither of these options work, try restarting your computer. If you're worried about interrupting the transfer of pictures from the USB stick, you can safely remove the USB stick by following these steps:
a. Right-click on the USB stick icon in the bottom-right corner of the screen (it may be hidden in the "Show hidden icons" menu).
b. Select "Safely Remove Hardware and Eject Media".
c. Select the USB stick from the list and click "Stop".
d. Once it says "You can safely remove this device", you can safely remove the USB stick.
4. If none of these steps work, you may need to seek assistance from a computer technician.

I hope these steps help you resolve the issue and get back to using your computer normally. Let me know if there's anything else I can assist you with.
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