Please capitalize where necessary: now let us go through some of the scenarios that gave you a lot of hiccups:
A: Now let us go through some of the scenarios that gave you a lot of hiccups:

Q: dll file troubleshooting directory

A: DLL File Troubleshooting Directory

Q: other games like conflict resolution
A: Other games like Conflict Resolution

Problem: according to the u.s. energy information administration, power generation in latin america and the caribbean will have to double by 2030, requiring an investment larger than $700 billion.
Can you repeat this sentence, but capitalize it?
Answer: According to the U.S. Energy Information Administration, power generation in Latin America and the Caribbean will have to double by 2030, requiring an investment larger than $700 billion.

Text: do you wish to sell your property

Correct capitalization: Do you wish to sell your property

Text: crude oil is also used in the production of bitumen that has been heavily used in more recent years as an alternative to tar in road building and for roof felts.

Correct capitalization:
Crude oil is also used in the production of bitumen that has been heavily used in more recent years as an alternative to tar in road building and for roof felts.