Please capitalize where necessary: in the case that your x08 file doesn't open, it is highly likely that you do not have the correct software application installed on your pc to view or edit x08 file extensions.
A: In the case that your X08 file doesn't open, it is highly likely that you do not have the correct software application installed on your PC to view or edit X08 file extensions.

Q: 10-04-2012 europa under pres - innovation

A: 10-04-2012 Europa under pres - innovation

Q: the infrastructure should not be built first in anticipation of development.
A: The infrastructure should not be built first in anticipation of development.

Problem: it is a good idea to vary the length of your steps. ensure that you move your legs fully together before taking a new step.
Can you repeat this sentence, but capitalize it?
Answer: It is a good idea to vary the length of your steps. Ensure that you move your legs fully together before taking a new step.

Text: quad trials 2 is the second installment of the popular physics-based quad-bike driving game! with tracks more dangerous and challenging than ever, you will have to test your skills to the limit to get to the finishing line quickly.

Correct capitalization: Quad Trials 2 is the second installment of the popular physics-based quad-bike driving game! With tracks more dangerous and challenging than ever, you will have to test your skills to the limit to get to the finishing line quickly.

Problem: martinus: the eternal world picture, vol. 1, sect. 8.4.
Can you repeat this sentence, but capitalize it?
Answer:
Martinus: The Eternal World Picture, vol. 1, sect. 8.4.