Login Error and showing Couldn't connect to server

I am unble to login due to error and showing Couldn’t connect to server. Make sure you are using correct settings

Request you please Guide me how i login

Hi @suvidha86

I understand it has been 9 days since you have posted this question, If you still need assistance then more information are needed in order to understand and help you out

On which instance you are getting this error?
if you have installed locally, then could you provide the tomcat log file for analyisis.