Please capitalize where necessary: what is file extension bcf?
A: What is File Extension BCF?

Q: kettler bicycles and e-bikes best buy at - sport-tiedje

A: Kettler bicycles and e-bikes best buy at - Sport-Tiedje

Q: although the volume of global carbon transactions increased 80 percent between 2008 and 2009, average global carbon prices fell from us $28 to $17 per ton of carbon dioxide-equivalent (co2e), according to our latest vital signs online trend.
A: Although the volume of global carbon transactions increased 80 percent between 2008 and 2009, average global carbon prices fell from US $28 to $17 per ton of carbon dioxide-equivalent (CO2e), according to our latest Vital Signs Online trend.

Problem: hpz3rw72.dll device can't work/no sound: actually, in most cases device problem is because of .sys files.
Can you repeat this sentence, but capitalize it?
Answer: hpz3rw72.dll device can't work/No sound: Actually, in most cases device problem is because of .sys files.

Text: youtube support is provided by this plugin also comes in spanish.

Correct capitalization: Youtube support is provided by this plugin also comes in Spanish.

Q: if you're not in the habit of maintaining a regular backup then this situation needs to be taken seriously.
A:
If you're not in the habit of maintaining a regular backup then this situation needs to be taken seriously.