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.

Nefarious game makers appear to be leveraging a chat-based Roblox exploit that results in automatic account bans for unsuspecting users.

Roblox also banned the owner of Crosswinds [A.2], which appears to have been the first game to abuse the exploit and connected accounts, the RTC Twitter account report s.