Your virus scanner may detect the lobby as unsafe - this is a false positive and should be reported to the makers of your scanner.

1. Little Fighter 2 Jak Uzywac Mocy 2

YinYin has provided a list of virus scanner report forms where you can submit the lobby for verification as a false positive.

Little Fighter 2 Jak Uzywac Mocy 2

If you are experiencing issues with your virus scanner please visit the following link to report a false positive

Malware or False Positive Report List

Little Fighter 2 (LF2; Chinese: 小朋友齊打交2) is a Hong Kong freeware PC fighting game for Windows and is the sequel to the game Little Fighter. Little Fighter 2 was created by Marti Wong and Starsky Wong in 1999, and received a long series of updates. How do you grab characters/enemies in the game?, Little Fighter 2 Questions and answers, PC.

Find your vendor and select 'Submit false positive' on the right hand side, fill in the form and send it for review this way a security team can verify that the lobby is safe and prevent their virus scanner from flagging it in the future.

This will stop your scanner from deleting the lobby and preventing you from using it.