Roblox is cherished by millions of players worldwide, and its popularity has continually increased since its release.

"You have been kicked due to unexpected client behavior. Error Code 268" provides no additional information about the source of the problem.

If KRNL-Injector failed to find the Roblox process, delete KRNL App data and see. If that doesn't help follow the solutions mentioned in this post to resolve the issue.