Please capitalize where necessary: the symptoms of this survey have been divided into symptoms from the airways (1+2), symptoms from skin (3+4+5) and general symptoms (6) (woods, 1976; hausen, 1981; hausen, 2000):
A: The symptoms of this survey have been divided into symptoms from the airways (1+2), symptoms from skin (3+4+5) and general symptoms (6) (Woods, 1976; Hausen, 1981; Hausen, 2000):

Please capitalize where necessary: funny videos online and free porn in the shower
A: Funny videos online and free porn in the shower

Please capitalize where necessary: 5.57.74 welfare payments concerning certain groups of refugees
A: 5.57.74 Welfare payments concerning certain groups of refugees

Please capitalize where necessary: system.xml.ni.dll program freezing and system crashing: important system components such as system.workflowservices.ni.dll and system.xml.linq.ni.dll become abnormal.
A:
System.Xml.ni.dll program freezing and system crashing: Important system components such as System.WorkflowServices.ni.dll and System.Xml.Linq.ni.dll become abnormal.