Wubi.exe cannot install Ubuntu on Win7 32bit laptop

1.      Get Ubuntu 32bit ISO, extract wubi.exe from the ISO file.

2.      Put wubi.exe and ISO at the same folder.

3.      Run wubi.exe, and it will not download amd64 source file and install on 32bit from the ISO file.

4.      If Win7 use dynamic storage setting, then you cannot install Ubuntu by wubi.exe