Solution
Step1: First see the issue check the ERA Explorer and ERA Server
An updated version is present or not. If not then update it.
Step2: Close the Firewall and IPversion6 (IPversion6 is present in
Network and sharing center option in the control panel); disable
The antivirus and net-protector.
Step3: Do the cache clear of ERA by taking action (Windows+R button à type
%appdata% à delete ERA explorer and ERA related files) do the cache
Clear of System by taking action (Windows+R button à type %temp%
à Delete all files it will skip the files which are running on a current Basis)
Step4: Go to Task manager see if you find the ERA buddy file then do the end task.
Step5: Login to the learner to see the issue will get resolved.