Please capitalize where necessary: take a chance out of the equation and targeted your efforts.
A: Take a chance out of the equation and Targeted your efforts.
Q: more jobs for film workers

A: More jobs for film workers
Q: translation of the website - rc stunt machine showdown!
A: Translation of the website - RC Stunt Machine Showdown!
Problem: that fits and makes sense, so you use it in some sentences until you have a clear concept of it.
Can you repeat this sentence, but capitalize it?
Answer: That fits and makes sense, so you use it in some sentences until you have a clear concept of it.
Text: to ensure that all files in the release belong to it, md5 checksums of all packages files are copied into the release file.

Correct capitalization: To ensure that all files in the release belong to it, MD5 checksums of all Packages files are copied into the Release file.
Please capitalize where necessary: when a new version is is released, you have to apply changes to your customers' existing database so new code can work for them, too.
A:
When a new version is is released, you have to apply changes to your customers' existing database so new code can work for them, too.