sistema x64 con solo runtime x86 installato:
[HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\Microsoft\Microsoft SQL Server Compact Edition\v3.5\ENU]
"DesktopRuntimeVersion"="3.5.8080.0"
"DesktopRuntimeServicePackLevel"="2"
sistema x64 con x86 e x64 installati:
[HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\Microsoft\Microsoft SQL Server Compact Edition\v3.5\ENU]
"DesktopRuntimeVersion"="3.5.8080.0"
"DesktopRuntimeServicePackLevel"="2"
"DesktopRuntimeVersion_x64"="3.5.8080.0"