question: wpfgfx_v0300.dll program freezing and system crashing: important system components such as presentationcore.dll and system.data.dll become abnormal.
Capitalize this past sentence correctly.
A: wpfgfx_v0300.dll program freezing and system crashing: Important system components such as PresentationCore.dll and System.Data.dll become abnormal.

question: check rates and availability for beijing poly plaza hotel. then proceed to booking.
Capitalize this past sentence correctly.
A: Check rates and availability for Beijing Poly Plaza Hotel. Then proceed to booking.

question: the addition resulted in january 2013 the following result (brackets in the heading of the december rankings):
Capitalize this past sentence correctly.
A: The addition resulted in January 2013 the following result (brackets in the heading of the December rankings):