"NIKKE" Security Issue: Anyone Who Has Launched the PC Launcher Since September 27 Should Check. A feature to scan for and remove malicious programs has been implemented, and manual checks are also possible. Be sure to change the password for any accounts used on affected PCs."NIKKE" Security Issue: Anyone Who Has Launched the PC Launcher Since September 27 Should Check. A feature to scan for and remove malicious programs has been implemented, and manual checks are also possible. Be sure to change the password for any accounts used on affected PCs."NIKKE" Security Issue: Anyone Who Has Launched the PC Launcher Since September 27 Should Check. A feature to scan for and remove malicious programs has been implemented, and manual checks are also possible. Be sure to change the password for any accounts used on affected PCs."NIKKE" Security Issue: Anyone Who Has Launched the PC Launcher Since September 27 Should Check. A feature to scan for and remove malicious programs has been implemented, and manual checks are also possible. Be sure to change the password for any accounts used on affected PCs.