Please stop bickering or I'm forced to close the thread.
You may find some of the suggestions in this thread
https://forum.cockos.com/showthread.php?t=137219
helpful. Basically, if you removed component files, you also need to delete 'reaper-auplugins-bc.ini', reboot and so on.
The default locations for AU components are kind of "hardwired" into the OS and do not differentiate between 32 and 64 bit, that's why doing what you want to do is not trivial.