Interference is annoying and often frustrating, especially when the problems are intermittent or when it seems that a problem has been solved, only to have it return later. Efforts to correct interference problems are also often complicated by the fact that there are several kinds of interference and each requires a different approach and a different solution. Sometimes a "quick fix" will work, more often it does not. Unless the problem is very simple, the only really productive approach is an orderly and systematic one that first finds the cause of the specific problem, then applies appropriate corrective action. This section discusses Avoiding Basic Problems