Please capitalize where necessary: it can be served in the garden during sunny days.
A: It can be served in the garden during sunny days.
Q: program modification: sometimes, not only virus backdoor:win32/cafeini.0_9 or malware memory optimizer pro but also common softwares possessing the ability to modify the inner functions of kbdno.dll, which means other programs can't find this dll file again.

A: Program Modification: Sometimes, not only virus Backdoor:Win32/Cafeini.0_9 or malware Memory Optimizer Pro but also common softwares possessing the ability to modify the inner functions of KBDNO.DLL, which means other programs can't find this DLL file again.
Q: instructions: a-d / left-right arrow or mouse (change in options)
A: Instructions: A-D / left-right arrow OR Mouse (change in options)
Problem: summer of code projects from the past years have provided valuable contributions to debian.
Can you repeat this sentence, but capitalize it?
Answer: Summer of Code projects from the past years have provided valuable contributions to Debian.
Text: the volvo fe is available both as a tractor and as a rigid for gross vehicle weights of 18 to 26 tonnes and the chassis range is broad.

Correct capitalization: The Volvo FE is available both as a tractor and as a rigid for gross vehicle weights of 18 to 26 tonnes and the chassis range is broad.
Problem: it was established in 1836 by johann lötz, but when he died his widow took over and thereafter it was called glasfabrik johann lötz witwe (witwe is german for widow).
Can you repeat this sentence, but capitalize it?
Answer:
It was established in 1836 by Johann Lötz, but when he died his widow took over and thereafter it was called Glasfabrik Johann Lötz Witwe (Witwe is German for widow).