I am trying to install Mongo DB on a windows 8.1 64 bit machine and I a getting the following error.
C:\MongoDB\bin>mongo.exe
MongoDB shell version: 2.4.7 connecting to: test Tue Nov 19 14:50:02.652 Error: couldn't connect to server 127.0.0.1:27017 at src /mongo/shell/mongo.js:145 exception: connect failed