Please capitalize where necessary: if you purchase digital content - such as music or a video online - you cannot withdraw once downloading or streaming has started, if you have given your consent and acknowledged that you will forfeit your right of withdrawal once the performance has started.
A: If you purchase digital content - such as music or a video online - you cannot withdraw once downloading or streaming has started, if you have given your consent and acknowledged that you will forfeit your right of withdrawal once the performance has started.

Q: everyone is an expert and laerdal has given me great customer care."

A: Everyone is an expert and Laerdal has given me great customer care."

Q: before noon it will be cloudy, but mostly dry. after midday partly sunny weather will dominate. morning temperatures will be around 11 c. during the day they will reach a maximum of 17 c. low temperatures at night will be around 5c. westerly winds are weak.
A: Before noon it will be cloudy, but mostly dry. After midday partly sunny weather will dominate. Morning temperatures will be around 11 C. During the day they will reach a maximum of 17 C. Low temperatures at night will be around 5C. Westerly winds are weak.

Problem: improperly closing zip file, crc errors, download errors and other reasons can damage encrypted zip file which refuse to open
Can you repeat this sentence, but capitalize it?
Answer: Improperly closing ZIP file, CRC errors, download errors and other reasons can damage encrypted Zip file which refuse to open

Text: furthermore, the danish cluster academy has been represented at the global tci conferences since 2007, and thus, we understand the needs and basic ideas behind the tci conference. in my opinion, we hold a strong position in becoming the host in 2013", says jesper lund.

Correct capitalization: Furthermore, the Danish Cluster Academy has been represented at the global TCI conferences since 2007, and thus, we understand the needs and basic ideas behind the TCI conference. In my opinion, we hold a strong position in becoming the host in 2013", says Jesper Lund.

Text: agreement is reached on a new european heritage label, an award which will highlight sites that celebrate the history and development of the european union. eu countries may propose sites every two years: one site per country may be awarded the label.

Correct capitalization:
Agreement is reached on a new European Heritage Label, an award which will highlight sites that celebrate the history and development of the European Union. EU countries may propose sites every two years: one site per country may be awarded the label.