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

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