Adobe Illustrator: Blank Windows When Creating a New Document

My case was on Adobe Illustrator 24.13.

Solved it by:

Preferences > General > Check 'Use legacy "File New" interface'.

References

https://illustrator.uservoice.com/forums/601447-illustrator-desktop-bugs/suggestions/40777750-blank-window-when-creating-new-document-in-illust

Update