Which high-profile telescope product launch was considered one of astronomy's biggest commercial failures, requiring a space mission to repair its fundamental design flaw?

The astronomy industry has seen numerous ambitious product launches targeting both amateur stargazers and professional astronomers. However, not all celestial products reach their intended orbit in the market. This trivia question explores one of astronomy's most notorious product launch failures that significantly impacted a major company's reputation and market position in the field of space observation technology.

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Hubble Space Telescope (1990)
Kepler Space Telescope (2009)
James Webb Space Telescope (2021)
Spitzer Space Telescope (2003)