Instructions
Open your Visual Boy Advance program. Don't load a game, or else the process won't go into effect until you play the next game.
Click on the "View" button and scroll down through the menu. Find the "Display" button and click on it to open the display options menu.
Find the "Tracking" option and click on the small checkbox next to the window to remove the check mark. Click "OK" to leave the menu.
Select "File," then "Open Rom" from the game menu. Choose a game and select "Open" to run the game. Check the display to make sure the numbers are not displayed.