In order to install Polish 2.1.0 on a Windows Vista installation, you'll need to wrap the installer in a windows shell and run it as an administrator.

1. Download the wrapper install-polish.bat.
2. Right click and edit the text file with an editor and ensure the path to the jar is correct.
3. Close, right click, and select Install as Administrator.
4. Install as usual to C:\Program Files\J2ME-Polish
   1. If you already have a different version of J2ME Polish installed, you will need to follow these steps in order to configure the correct version.