You can find the solution in the articles documented in the support center. To do this, select the topic/application/service with which you have the problem and view the information that we make available to you. 

A faster way to find information for your problem is to enter a question in the search box to see the information we have published about it.

However, if the information provided has not been sufficient, you can open a support request. To do this, at the top of the support center, if you are logged in, "Send a request" appears where you will access another screen where you can select the type of help you need.