This is a general window asking you to answer a question.

You are being asked a question by LocPlus MLS and you must answer the question before you can continue.

If the "Cancel" button is available, you can press it to stop the procedure without continuing.

When you start one operation when you are in the middle of another operation, you sometimes will be asked if you want to save information. The "No" button may not available. If you want to save the information, just press the "Yes" button. If you don't want to save information, press the "Cancel" button and the reset the data or exit your operation first.