Installing Sophos Anti-Virus on the end computer fails.
Invalid manifest file: [VE_BADCERT]: 7Fix:
If you do not click 'OK', this message box will close automatically after 60 seconds.
From the temporarily extracted directory with SAV installation files go to savxp (If you run Windows XP) and run "Sophos Anti-Virus.msi" from there. Otherwise you may be experiencing another problem as described in here: