Hi , I am new here. SO here is my problem: teher is pc on lan that is on domain controler. pc refuse to start OS, showing message windows/system32/config/system is not corect or blablabla I take that disk use acronis disk director and it fix filesystem and locate bad sectors. I rename config dir, and make new one and copy files from last config dir into new one (because changing disk sector writing). I try start pc and it is shouwing OS is starting but there is error: lsass.exe when trying to update a password this return status indicates that value provided as current password is not correct After dis system restarting, and everything repeat infinity. I remove disk again and search for Sasser using NOD32 and symantec removal tools but it shows that there is not sasser. What to do folks??????