i have version 10.0.1.1000. first i made an administrative install by running setup.exe /a. then i choose the destination folder called SAV10. after i run setup.exe /a in SAV10 folder i had 5 folders: common, program files, redist, system32, windows and 2 files: .msi and vdefhub.zip. rename the .msi file to sav10.msi. to update the last definition go here: http://securityresponse.symantec.com/avcen...ges/US-N95.html and for the last live update go here: http://www.symantec.com/techsupp/files/lu/lu.html. then extract the definition and rename the .zip file to vdefhub.zip and overwrite the old vdefhub.zip and add lusetup.exe i downloaded to SAV10\program files\Symantec AntiVirus folder and overwrite the old lusetup.exe. next download the update patch from here: http://anonym.to/?ftp://ftp.symantec.com/p...7_allwin_en.zip and extract it to folder called savce. rename the sav.msp. then go start>run and add this command: msiexec /p E:\savce\SAV.msp /a E:\SAV10\sav10.msi shortfilenames=true /qb wait the installer to finish and after this create a sillent installer using 7zip or winrar. that is it....