users online: 16, guests online: 55

How would the previous sentence be correctly capitalized?
Answer: Users online: 16, Guests online: 55
this allows the intelligence of windows to decide the correct software application to open your pgd file.

How would the previous sentence be correctly capitalized?
Answer: This allows the intelligence of Windows to decide the correct software application to open your PGD file.
it claimed a number of high-profile victims many of which are still dealing with the post-infection fallout.

How would the previous sentence be correctly capitalized?
Answer: It claimed a number of high-profile victims many of which are still dealing with the post-infection fallout.
after a walk of kilometres up and down the rows in the vines of loisy-en-brie accompagnied by a brush and red paint, we are now able to separate the diseased vines from the healthy ones.

How would the previous sentence be correctly capitalized?
Answer: After a walk of kilometres up and down the rows in the vines of Loisy-en-Brie accompagnied by a brush and red paint, we are now able to separate the diseased vines from the healthy ones.