It's not an error. Returne value > 32 indicates success.
Works fine for me (FF3B5 is default browser).

>
>Here is my test code with an example long URL;
>


>

>lcURL = "http://news.google.com/news/url?sa=T&ct=us/7-0&fd=R&url=h
ttp://www.freep.com/apps/pbcs.dll/article%3FAID%3D/20080406/NEWS01/80406034/1003/
news&cid=1148779392&ei=3Ez6R4TdNqiSwwHsmvCmDg&usg=AFrqEzeDJ_6u2AjFqilgY9BzF0luu4qVyw"
>
>  DECLARE INTEGER ShellExecute IN SHELL32.DLL ;
>    INTEGER nWinHandle , ;
>    STRING cOperation  , ;
>    STRING cFileName   , ;
>    STRING cParameters , ;
>    STRING cDirectory  , ;
>    INTEGER nShowWindow
>
>? SHELLEXECUTE( 0, "Open", m.lcURL , "", "", 0 )
>

>
>Error code is 42.
>