In Microsoft Windows Server 2003 or in Windows Vista, you cannot set the maximum number of nested windows.

A program can create up to 50 nested windows. If an application tries to create more than 50 nested windows in a window hierarchy, the nested windows that are created after the first 50 may not work.

If you use the new Windows Mail on Vista, be careful what you click! You always should, but now their’s even more reason. Keep reading →