NightFighter117 made the following 7 translations:

• 'Automatically check for &updates' as 'Buscar &actualizaciones automáticamente' in SumatraPDF / es
• '&Back\tAlt+Left Arrow' as '&Atrás\tAlt+Izq' in SumatraPDF / es
• 'Automatically check for &updates' as '&Buscar actualizaciones automáticamente' in SumatraPDF / es
• '&All selected pages' as '&Todas las páginas seleccionadas' in SumatraPDF / es
• '&Advanced Options...' as '&Opciones avanzadas...' in SumatraPDF / es
• '&Actual Size\tCtrl+1' as '&Tamaño real\tCtrl+1' in SumatraPDF / es
• '&Actual Size\tCtrl+1' as 'Tamaño real\tCtrl+1' in SumatraPDF / es