title: Cannot start mongo db
body: <p>I have did the mongodb  installation process mentioned in the following link <a href="https://docs.mongodb.com/manual/installation/" rel="nofollow noreferrer">https://docs.mongodb.com/manual/installation/</a> but i can't start the mongodb this is my log kindly tell me the possible way to start mongo db</p>
  
  <pre><code>C:\&gt;"C:\Program Files\MongoDB\Server\3.4\bin\mongod.exe"
  2017-03-12T12:42:55.378+0530 I CONTROL  [initandlisten] MongoDB starting : pid=5
  400 port=27017 dbpath=C:\data\db\ 64-bit host=vimals
  2017-03-12T12:42:55.379+0530 I CONTROL  [initandlisten] targetMinOS: Windows 7/W
  indows Server 2008 R2
  2017-03-12T12:42:55.380+0530 I CONTROL  [initandlisten] db version v3.4.2
  2017-03-12T12:42:55.381+0530 I CONTROL  [initandlisten] git version: 3f76e40c105
  fc223b3e5aac3e20dcd026b83b38b
  2017-03-12T12:42:55.382+0530 I CONTROL  [initandlisten] OpenSSL version: OpenSSL
   1.0.1u-fips  22 Sep 2016
  2017-03-12T12:42:55.382+0530 I CONTROL  [initandlisten] allocator: tcmalloc
  2017-03-12T12:42:55.383+0530 I CONTROL  [initandlisten] modules: enterprise
  2017-03-12T12:42:55.384+0530 I CONTROL  [initandlisten] build environment:
  2017-03-12T12:42:55.385+0530 I CONTROL  [initandlisten]     distmod: windows-64
  2017-03-12T12:42:55.385+0530 I CONTROL  [initandlisten]     distarch: x86_64
  2017-03-12T12:42:55.386+0530 I CONTROL  [initandlisten]     target_arch: x86_64
  2017-03-12T12:42:55.387+0530 I CONTROL  [initandlisten] options: {}
  2017-03-12T12:42:55.389+0530 I STORAGE  [initandlisten] exception in initAndList
  en: 98 Unable to create/open lock file: C:\data\db\mongod.lock The process canno
  t access the file because it is being used by another process.. Is a mongod inst
  ance already running?, terminating
  2017-03-12T12:42:55.390+0530 I NETWORK  [initandlisten] shutdown: going to close
   listening sockets...
  2017-03-12T12:42:55.390+0530 I NETWORK  [initandlisten] shutdown: going to flush
   diaglog...
  2017-03-12T12:42:55.391+0530 I CONTROL  [initandlisten] now exiting
  2017-03-12T12:42:55.392+0530 I CONTROL  [initandlisten] shutting down with code:
  100
  </code></pre>