Please capitalize where necessary: eventually the it is expected that structure will collapse.
A: Eventually the it is expected that structure will collapse.
Q: fully conscious of the difficulties in the undertaking, i have written this little book in the hope that it will help to reveal something of the spirit of mathematics, without unduly burdening the reader with intricate symbolism.

A: Fully conscious of the difficulties in the undertaking, I have written this little book in the hope that it will help to reveal something of the spirit of mathematics, without unduly burdening the reader with intricate symbolism.
Q: the 4-star scandic kramer hotel is located in the center of malmo.
A: The 4-star Scandic Kramer Hotel is located in the center of Malmo.
Problem: did someone email you a hz file and you're not sure how to open it? maybe you have found a hz file on your computer and wondering what it's for? windows might tell you that you can't open it, or in the worst case, you might encounter a hz file related error message.
Can you repeat this sentence, but capitalize it?
Answer: Did someone email you a HZ file and you're not sure how to open it? Maybe you have found a HZ file on your computer and wondering what it's for? Windows might tell you that you can't open it, or in the worst case, you might encounter a HZ file related error message.
Text: now go to add or remove programs and repair the microsoft office suite. this will install a version of olmapi32.dll that works with windows 7 and outlook

Correct capitalization: Now go to Add or Remove Programs and repair the Microsoft Office Suite. This will install a version of OLMAPI32.dll that works with Windows 7 and Outlook
Text: as katies hairstylist it will be your job to mix and match the nuances of each of her locks and create a sparkling mash-up of colors that will impress everyone at katies school!

Correct capitalization:
As Katies hairstylist it will be your job to mix and match the nuances of each of her locks and create a sparkling mash-up of colors that will impress everyone at Katies school!