BlueStacks Login Triggered Unknown Galaxy S21 Ultra 5G Device on My Google Account

I installed the BlueStacks emulator on my computer and logged into my Gmail account. Due to security concerns, I immediately changed my passwords and closed all active sessions. However, I discovered an unfamiliar device named "Galaxy S21 Ultra 5G" listed in the "Google Find My Device" app.

I attempted to remove this device, but my efforts were unsuccessful. This has left me deeply concerned about potential security risks. I do not accept any responsibility for unauthorized actions that may occur using this device in the future.

BlueStacks and Google, please investigate this issue and ensure that my account remains secure. I expect immediate assistance to resolve this problem and remove the unidentified device!