Any news on this issue? I'm getting the same error here.
I'm trying to install the 2.0 - preview 4 version. Here you have the content of my setupexe.log
6-26-2012[03:29:06]: InstallShield setup.exe (Ansi) started, cmdline: /debuglog"C:\temp\setupexe.log"
6-26-2012[03:29:06]: Extracting setup.ini...
6-26-2012[03:29:06]: Extracting 'Setup.INI' to C:\Users\RGUERR~1\AppData\Local\Temp\{5C1231A2-8D65-45BF-8E4E-07E78DF79BD2}\Setup.INI
6-26-2012[03:29:06]: Extracting '0x0409.ini' to C:\Users\RGUERR~1\AppData\Local\Temp\{5C1231A2-8D65-45BF-8E4E-07E78DF79BD2}\0x0409.ini
6-26-2012[03:29:07]: Reading setup.ini from C:\Users\RGUERR~1\AppData\Local\Temp\{5C1231A2-8D65-45BF-8E4E-07E78DF79BD2}\Setup.INI
6-26-2012[03:29:07]: Upgrade check: checking product code {9E3DC4AA-46D9-4B30-9643-2A97169F02A7}
6-26-2012[03:29:07]: Upgrade check: obtained package code {7F97968D-A308-4FFF-989C-D6FC0BDC4E81} from machine, current package code is {7F97968D-A308-4FFF-989C-D6FC0BDC4E81}
6-26-2012[03:29:07]: Extracting '' to C:\Users\RGUERR~1\AppData\Local\Temp\{5C1231A2-8D65-45BF-8E4E-07E78DF79BD2}\
6-26-2012[03:29:07]: Extraction of '' failed
6-26-2012[03:29:07]: Extracting '' to C:\Users\RGUERR~1\AppData\Local\Temp\{5C1231A2-8D65-45BF-8E4E-07E78DF79BD2}\
6-26-2012[03:29:07]: Extraction of '' failed
6-26-2012[03:29:07]: Extracting 'Setup.bmp' to C:\Users\RGUERR~1\AppData\Local\Temp\{5C1231A2-8D65-45BF-8E4E-07E78DF79BD2}\Setup.bmp
6-26-2012[03:29:07]: Extraction of 'Setup.bmp' failed
6-26-2012[03:29:07]: Default language: 1033, got code page 1252
6-26-2012[03:29:07]: Creating setup dialog...
6-26-2012[03:29:07]: Reboot needed: no
6-26-2012[03:29:07]: Install is script driven (ISMSI)
6-26-2012[03:29:07]: Install is script driven (ISMSI)
6-26-2012[03:29:07]: Extracting 'ISSetup.dll' to C:\Users\RGUERR~1\AppData\Local\Temp\{5C1231A2-8D65-45BF-8E4E-07E78DF79BD2}\ISSetup.dll
6-26-2012[03:29:07]: Attempted unloaded of msi.dll: 1
6-26-2012[03:29:07]: Launching InstallScript engine: C:\Users\RGUERR~1\AppData\Local\Temp\{3318BFDD-02DA-41ED-839A-E0103C308A65}\Couchbase Server.msi, /v /v"SETUPEXEDIR=\"C:\Users\rguerreiro\Downloads\DevTools\Couchbase\" SETUPEXENAME=\"couchbase-server-community_x86_64_2.0.0-dev-preview-4.setup.exe\"", 0
Thanks for your help
Rodrigo