I just try to change font, but not success.

>Just guessing here... Window Vista/7 use a different system font. It's probably causing the issue. So, you can change that in display settings
>
>>Is there any registry configuration in Windows Vista / 7 for messagebox function that make same behavior than in Winsdows XP?
>>Try this in command windows in both Windows XP and Windows Vista / 7:
>>
>>MessageBox("This is a messagebox that make an unwanted word-wrap after this ... (AnotherLongWord) in Windows Vista / 7")
>>
>>Implement a user defined form for messagebox is not an alternative.
>>Reformating messagebox text is hard, but better solution.
>>Any other solution, at OS configuration level?