Yes that's it. I have manually added the keys and working now.
Thanks - I will report it.

I have the entry, but some is missing on mine.
I'm missing the DLL location keys
Will try adding them manually

No nothing like that.
I get a popup message box title "Error"
then the message reads...
" A vJoy install was found in c:\Program Files\vJoy\, but appears to be an old version. Please update vJoy to the latest version from....."

Yes I have both folders and both contain a vJoyInterface.dll

Currently I have the December 2014 vJoy installed.
vJoyInterface.dll is dated 22/09/2014 in both x64 and x86 folders
The vJoy device driver is version 6.0.6000.16386 dated 08/Sep/2014

Can you try and help me please... been fighting with your UJR program for 2 days. What ever I try I get the message saying that I don't have the latest vJoy.. so can't get into the program at all. I have tried uninstalling vJoy repeatedly and have tried using the vJoy_204_241214.exe and vJoy_205_080...