Hello @tan_christine38
This seems to be like the CUI window is offscreen.
Try this to get it back to the main window:
- Press ALT + SPACEBAR on the keyboard.
- Press the M key and tap any ARROW keys.
- Move the mouse to bring the window into view.
I hope this helps 🙂
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ವಿನೋದ್ ಕೆ ಎಲ್( System Design Engineer)

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Please mark "Accept as Solution" if my reply resolves the issue or answers your question, to help others in the community.
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