installing E910 on a client that had E900 1.0.0.0.5

This is a quick one.  I had an old E900 fat client that I wanted to upgrade to E910.

I was getting an "Error"

"An error occurred during the interview [sic] for this component:  EnterprsieOne Development Client 1.0.0.0.5.  A previous installation of an E1 client exists..."

But, I did use "Add remove programs" to get rid of the old one until it just died.   I then did shift-delete on the dir and renamed and restarted it.

I looked in th registry and could not find JDEdwards anywhere.

Then, I learnt that I had to check the Wow6432Node under HKEY_LOCAL_MACHINE\SOFTWARE for all of the 32 bit software...  It is here that I found the JDEdwards branch in the registry.

I deleted the JDEdwards part of the path below, and all of the sub folders in the registry.  I'm guessing that If you've read to hear you are going to be technical enough to be able to delete the right parts of your registry safely.

HKEY_LOCAL_MACHINE\SOFTWARE\ Wow6432Node\JDEdwards

Note also that I've left the existing e1local, I considered getting rid of it - but I'm going for the "path of least resistance" installation.

And viola! Everything work first time once I found the registry key to delete.