I tried to install version 3.6.5 on my new HP laptop. It popped up the message: "This program cannot install" When told to try anyway it refused again. Version 3.6.4 installed fine. Here is the computers system info.
System Information
System Information report written at: 01/17/13 07:06:22
System Name: SILDEM
[System Summary]
Item Value
OS Name Microsoft Windows 8
Version 6.2.9200 Build 9200
Other OS Description Not Available
OS Manufacturer Microsoft Corporation
System Name SILDEM
System Manufacturer Hewlett-Packard
System Model HP ENVY dv7 Notebook PC
System Type x64-based PC
System SKU B6B75AV
Processor Intel(R) Core(TM) i7-3630QM CPU @ 2.40GHz, 2401 Mhz, 4 Core(s), 8 Logical Processor(s)
BIOS Version/Date Insyde F.13, 9/7/2012
SMBIOS Version 2.7
Embedded Controller Version 52.35
BIOS Mode UEFI
BaseBoard Manufacturer Hewlett-Packard
BaseBoard Model Not Available
BaseBoard Name Base Board
Platform Role Mobile
Secure Boot State On
PCR7 Configuration Binding Not Possible
Windows Directory C:\Windows
System Directory C:\Windows\system32
Boot Device \Device\HarddiskVolume2
Locale United States
Hardware Abstraction Layer Version = "6.2.9200.16442"
User Name Sildem\SILDEM\Sildem
Time Zone Pacific Standard Time
Installed Physical Memory (RAM) 12.0 GB
Total Physical Memory 11.9 GB
Available Physical Memory 9.04 GB
Total Virtual Memory 23.9 GB
Available Virtual Memory 20.0 GB
Page File Space 12.0 GB
Page File C:\pagefile.sys
Hyper-V - VM Monitor Mode Extensions Yes
Hyper-V - Second Level Address Translation Extensions Yes
Hyper-V - Virtualization Enabled in Firmware No
Hyper-V - Data Execution Protection Yes
Sounds like a bad download. Try downloading again.