Please capitalize where necessary: did someone email you a dce file and you're not sure how to open it? maybe you have found a dce file on your computer and wondering what it's for? windows might tell you that you can't open it, or in the worst case, you might encounter a dce file related error message.
A: Did someone email you a DCE file and you're not sure how to open it? Maybe you have found a DCE file on your computer and wondering what it's for? Windows might tell you that you can't open it, or in the worst case, you might encounter a DCE file related error message.

Q: but an object that is not physical and has no physical form, cannot be copied or reproduced in any natural pictorial form, just as it cannot either be experienced by low-psychic or clairvoyant sensory perception, but, on the other hand, only through high-psychic experiences.

A: But an object that is not physical and has no physical form, cannot be copied or reproduced in any natural pictorial form, just as it cannot either be experienced by low-psychic or clairvoyant sensory perception, but, on the other hand, only through high-psychic experiences.

Q: "n'ai pas peur", she said once the gate was open.
A: "N'ai pas peur", she said once the gate was open.

Problem: 5. if you do not want to accept cookies, you can change the settings of your web browser's security.
Can you repeat this sentence, but capitalize it?
Answer: 5. If you do not want to accept cookies, you can change the settings of your web browser's security.

Text: that is about $15.4 thousand per capita.

Correct capitalization: That is about $15.4 thousand per capita.

Text: in seconds, you will learn exactly what type of alp file you have, the software program associated with your file, the publisher who created it, its security safety status, and a variety of other useful information.

Correct capitalization:
In seconds, you will learn exactly what type of ALP file you have, the software program associated with your file, the publisher who created it, its security safety status, and a variety of other useful information.