Please capitalize where necessary: your username will be emailed to the email address on file.
A: Your username will be emailed to the email address on file.

Q: to establish this proposition in general suppose we have a number of the form 0.abbb... where a is string of p digits and b is a string of q digits.

A: To establish this proposition in general suppose we have a number of the form 0.abbb... where a is string of p digits and b is a string of q digits.

Q: other games like cycling kiss
A: Other games like Cycling Kiss

Problem: systems exhibition, which is held yearly in munich, is the second most important computer exhibition in europe.
Can you repeat this sentence, but capitalize it?
Answer: Systems exhibition, which is held yearly in Munich, is the second most important computer exhibition in Europe.

Text: after buying the software you need not go through all the steps.

Correct capitalization: After buying the software you need not go through all the steps.

Problem: mpr.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:
mpr.dll device can't work/No sound: Actually, in most cases device problem is because of .sys files.