Please capitalize where necessary: he is obviously bored and watches the worker who is digging just across the alley.
A: He is obviously bored and watches the worker who is digging just across the alley.

Q: during the early middle ages they used to have land divided in two parts.

A: During the early Middle Ages they used to have land divided in two parts.

Q: billetlugen mails tickets worldwide.
A: Billetlugen mails tickets worldwide.

Problem: however, peter van hemert and his family enjoyed these pleasant surroundings for just a few years.
Can you repeat this sentence, but capitalize it?
Answer: However, Peter van Hemert and his family enjoyed these pleasant surroundings for just a few years.

Text: specify in code the existing audio file you want to convert and let this excellent component do the rest.

Correct capitalization: Specify in code the existing audio file you want to convert and let this excellent component do the rest.

Q: sapi.dll program freezing and system crashing: important system components such as spbcd.dll and spsreng.dll become abnormal.
A:
sapi.dll program freezing and system crashing: Important system components such as spbcd.dll and spsreng.dll become abnormal.