unable to login to the UI

[shalki]

hello,
i have installed cloudstack 4.3.0.2 on my Centos 6.6 and i have finished 
with all the installation but i am not to login to the UI. everytime i try 
and do that it shows error 404 saying resource not found.
Can somebody please suggest me what to do and also how to remove this 
error?