1. Download my attachment ACEM_Codec_Pack_6.03_Profesional.inf 2. Put thoose lines REG ADD HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnceEx\065 /VE /D "ACEM Codec Pack 6.03 Profesional" /f REG ADD HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnceEx\065 /V 1 /D "\"c:\ACEM Codec Pack 6.03 Profesional.exe\" /LOADINF=\"c:\ACEM Codec Pack 6.03 Profesional.inf\" /nocancel /silent /S" /f in to your RunOnceEx.cmd. You can change *.exe and *.inf file location and name 3. and now it will install all codecs, filters and so on... (~135 MB ) and there will no be stupid AV scanner P.S. sorry for my poor english