No. Im factory fresh
i just wan to get them working

Hold on!
SONAR Plat 2016.11 or .12?
Open the Browser "B".
Go to views insert "Synth Rack" 2016.10 the rack will be visible in the browser
Hit the "+" then "Plug-in Layouts"
un-check the sort by

now see if your synths show up.
if not re-scan
The Bakers keep changing things to keep old farts like me and our ol'pal on our toes.
 
T
 
 

I have 32 bit IK multi plug ins working fine in Sonar X64.
Lets me just get this straight, you did a RESET ?
 
Because that solved the issue for these guys
http://forum.cakewalk.com/Sonar-VST-Plugin-ManagerScanner-not-registering-ALL-plugins-missing-info-m3316034.aspx

Can you clarify a bit more please? Is the problem that you can't plugins to show up in the list in browser? Or is the problem that they show up, but won't load when you click on them?

similar thread http://forum.cakewalk.com/FindPost/3266813