The message should disappear now -
Run a scan in HijackThis. Check each of the following and hit 'Fix checked' (after checking them) if they still exist (make sure not to miss any):
O2 - BHO: (no name) - {b86092b9-f4e7-4d12-b191-1a749c80db4c} - C:\WINDOWS\system32\yopareza.dll (file missing)
O4 - HKLM\..\Run: [CPM7f4c2d30] Rundll32.exe "C:\WINDOWS\system32\miwajiho.dll",a
O4 - HKLM\..\Run: [SunJavaUpdateSched] "C:\Program Files\Java\jre6\bin\jusched.exe"
O20 - AppInit_DLLs: C:\WINDOWS\system32\segorado.dll c:\windows\system32\miwajiho.dll
Reboot, attach fresh hijackthis log