croatia will become a member of the eu over the course of 2013 and additionally, there are five candidate countries (the former yugoslav republic of macedonia, iceland, montenegro, serbia and turkey).

How would the previous sentence be correctly capitalized?
Answer: Croatia will become a member of the EU over the course of 2013 and additionally, there are five candidate countries (the Former Yugoslav Republic of Macedonia, Iceland, Montenegro, Serbia and Turkey).
i did not have a signature, said flux added one for me.

How would the previous sentence be correctly capitalized?
Answer: I did not have a signature, said Flux added one for me.
member states have the frontline responsibility for security, but can no longer succeed fully on their own.

How would the previous sentence be correctly capitalized?
Answer: Member States have the frontline responsibility for security, but can no longer succeed fully on their own.
uninstallation: as dll files are created to support other programs and softwares working well, the data and functions are actually shared by many programs. when you uninstall a program, cnbbr300.dll may be mistakenly deleted.

How would the previous sentence be correctly capitalized?
Answer: Uninstallation: As DLL files are created to support other programs and softwares working well, the data and functions are actually shared by many programs. when you uninstall a program, CNBBR300.DLL may be mistakenly deleted.