other reasons: the other faults that cause loss of excel files are, application fault i.e. when user upgrades his application to newer version there might be chances that his excel file might get corrupt and result in file loss.

How would the previous sentence be correctly capitalized?
Answer: Other Reasons: The other faults that cause loss of excel files are, application fault i.e. when user upgrades his application to newer version there might be chances that his excel file might get corrupt and result in file loss.
a truly amazing year for social networks (though not all).

How would the previous sentence be correctly capitalized?
Answer: A truly amazing year for social networks (though not all).
scientific researches, numerous works of economic researchers are the important issues for bringing up a new generation of national science that will be competitive in the context of globalization.

How would the previous sentence be correctly capitalized?
Answer: Scientific researches, numerous works of economic researchers are the important issues for bringing up a new generation of national science that will be competitive in the context of globalization.
logging of access and system data

How would the previous sentence be correctly capitalized?
Answer: Logging of access and system data