pwbiz
If you are downloading tryout or purchased Premiere Elements 12 installation files from Adobe, start again. But, make sure that you are selecting the files that are specific to 32 bit and not 64 bit. Look at the file names. Are you being offered two files, one with an .exe file extension and one with a .7z file extension?
Make sure you see a 32 and not 64 in the file name.
With antivirus and firewall(s) disabled, work with the .exe first and then the .7z.
Please let us know the outcome.
ATR