Error: "Unclean shutdown detected. Please visit http://dochub.mopngodb.org/core/repair for recovery instructions." in mongo db

When i run my mongo db from below command

C:\mongodb\bin\mongod 

Then i shown an error "Deleted data files in C:\data\db\ crated by the 'mmapv1' storage engine, so setting the active storage engine to 'mmapv1' Unclean shutdown detected. Please visit http://dochub.mopngodb.org/core/repair for recovery instructions." . See the below screen shot -

Solution : After googling some time finally i find out the solution of this problem which i want to share with all of my blog readers. 
I run the mongod command with --repair and then again i run mongod command and my mongo db is started successfully like below -

Step 1:  Run the mongod command with repair like below

C:\mongodb\bin\mongod\mongod --repair

Step 2: Now run again the mongod command like this

C:\mongodb\bin\mongod\mongod

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Chears
Happy Coding :)