What is the role of the Roblox client version in causing error code 666, and how can I update it?

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Grade: Education Subject: Support
What is the role of the Roblox client version in causing error code 666, and how can I update it?
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An outdated Roblox client can sometimes cause connection issues leading to error 666. Roblox usually updates automatically upon launching. However, reinstalling Roblox can force an update and resolve potential client-related issues.