please tell me what that is means ??? >:(
You are infected. Probably syshost worm.
Follow this guide: http://forum.avast.com/index.php?topic=53253.0
… and attach ( Do not copy/paste ) logs for Malwarebytes ( MBAM ), Farbar Recovery Scan Tool ( FRST ), and aswMBR.exe
… an expert in the removal of malware will help you.