Customer Support
The steps:
-  Greeting 
 
-  Learn about the problem 
 
-  Reproduce the problem and agree with the customer 
 
-  Try the problem 
 
-  Locate problem resolution proposals 
 
-  Select solution 
 
-  Execute solution 
 
-  Verify solution 
 
-  Agree with customer that problem has been solved 
 

The problem life cycle