I have two installers (32bit installer and 64bit installer), firstly, I install my 64bit installer in xp 64bit machine, everything is OK(all files are installed in program file folder), after I upgrade to 32bit by 32bit installer(yes, we have this request), everything also is OK(all 32bit files are installed in program file(x86) folder) except all 64bit files donot remove, i check the log file, i find when upgrade, 32bit installer use program file(x86) directory instead of program file directory, so donot remove 64bit files, i want to know how this happen when upgrade from 64bit to 32bit?
In additional, i can remove 64bit all files when uninstall by 64bit installer.My project is basic msi.
There is some additional. I make a major upgrade from 64bit to 32bit, in other word, when upgrade from 64bit to 32bit, i completely uninstall 64bit then install 32bit, so when upgrade to 32bit , all files of 64bit should be remove, but now when upgrade ,32bit installer donot remove 64bit files,because when 32bit installer use program file(86) instead of program file when uninstall 64bit.
