Messages

I had just dowloaded this but when I had finished installing and tried to start it it comes up with
system.argumentException: Font 'Tahoma' does not support style regular'
at System.drawing.font.createnativefont()
at system.drawing.font.instalize(FrontFamily family,single emsize,fontstyle style Grapicsunit unit, Byte GdiCharset, boolean gdi verticalFont)at system.drawing.font.instalize(stringFamily family,single emsize,fontstyle style Grapicsunit unit, Byte GdiCharset, boolean gdi verticalFont)at system.drawing.font....ctor(stringFamily family,single emsize,fontstyle style Grapicsunit unit, BYTE gdi charset)
at AGS .ditor.callstackpanel.instilize component()
ECT...
any ideas on how to fix it.