Please capitalize where necessary: if your pc opens the w3d file, but it's the wrong application, you'll need to change your windows registry file association settings. in other words, windows is associating w3d file extensions with the wrong software program.
A: If your PC opens the W3D file, but it's the wrong application, you'll need to change your Windows registry file association settings. In other words, Windows is associating W3D file extensions with the wrong software program.

Q: under cover of fog appeared formation of small dumbbell, but none of the scanners has not registered of whatever intruders.

A: Under cover of fog appeared formation of small dumbbell, but none of the scanners has not registered of whatever intruders.

Q: it made it difficult for the industrial development.
A: It made it difficult for the industrial development.

Problem: relax in your private hydromassage bathtub in the en-suite bathroom.
Can you repeat this sentence, but capitalize it?
Answer: Relax in your private hydromassage bathtub in the en-suite bathroom.

Text: currently, eu member states, the efta countries, croatia, turkey, former yugoslav republic of macedonia, serbia, montenegro and bosnia-herzegovina are participating in the culture programme.

Correct capitalization: Currently, EU Member States, the EFTA countries, Croatia, Turkey, Former Yugoslav Republic of Macedonia, Serbia, Montenegro and Bosnia-Herzegovina are participating in the Culture Programme.

Please capitalize where necessary: see also under "sexual dysfunctions" in chapter 14 on birth control.
A:
See also under "Sexual Dysfunctions" in Chapter 14 on birth control.