If you attempt to use it on launchers like TLauncher or SKlauncher without a legitimate account, you will likely encounter errors or be unable to use the "Invite" and "Social" features. Risks of "Cracked" Mod Files
to facilitate features like friend lists and world hosting, it will fail to connect or authenticate if it detects a non-premium account. Essential Mod Why it doesn't work Authentication Requirements minecraft essential mod cracked
This is the oldest trick in the book. If you and your friends are all using the same cracked launcher (e.g., SKLauncher v2.2): If you attempt to use it on launchers