Stesso problema, questo il log:
26.02.201216:39:56general:Started: 26.02.2012, 16:39:56
26.02.201216:39:56general:Operation set to INST_OP_UNKNOWN
26.02.201216:39:56general:Old version: ffffffff (-1)
26.02.201216:39:56internet:SYNCER: Agent=Syncer/5.00 (ais-1407;p)
26.02.201216:39:56general:Running SETUP_AIS-57f (1407)
26.02.201216:39:56system:Operating system: Windows 7 ver 6.1, build 7601, sp 1.0 [Service Pack 1] SERVER
26.02.201216:39:56system:Memory: 27% load. Phys:2097151/2097151K free, Page:4194303/4194303K free, Virt:2029700/2097024K free
26.02.201216:39:56system:Computer WinName: ELVIS-PC
26.02.201216:39:56system:Windows Net User: Elvis-PC\Elvis
26.02.201216:39:56general:Cmdline: /sfx /sfxstorage "C:\Users\Elvis\AppData\Local\Temp\_av_sfx.tm~a01424" /GetEdition:free /brandcode "A" /srcpath "C:\Users\Elvis\DOWNLO~1" /sfxname "avast_free_antivirus_setup"
26.02.201216:39:56general:DldSrc set to sfx
26.02.201216:39:56general:Old version: ffffffff (-1)
26.02.201216:39:56registry:Deleted registry: Software\AVAST Software\Avast\UpdateReady
26.02.201216:39:56general:Install check: SetupVersion does NOT exist
26.02.201216:39:56general:SGW32AIS::CheckIfInstalled set m_bAlreadyInstalled to 0
26.02.201216:39:56system:Setup GUI has been successfuly loaded from DLL.
26.02.201216:39:56general:Ignoring cmdline switch: /GetEdition:free
26.02.201216:39:56registry:Get registry: Software\Microsoft\Internet Explorer\Version=8.0.7601.17514
26.02.201216:39:56general:Error:Your operating system does not meet the requirements. This edition of avast! cannot be installed on Windows Server.