Please capitalize where necessary: on request, we organize taxis from the airport.
A: On request, we organize taxis from the airport.
Q: uninstallation: as dll files are created to support other programs and softwares working well, the data and functions are actually shared by many programs. when you uninstall a program, metadata.dll may be mistakenly deleted.

A: Uninstallation: As DLL files are created to support other programs and softwares working well, the data and functions are actually shared by many programs. when you uninstall a program, metadata.dll may be mistakenly deleted.
Q: welcome to the massive action of micro racers world! choose your car model and track, then push your driving skills to the limit!
A: Welcome to the massive action of Micro Racers World! Choose your car model and track, then push your driving skills to the limit!
Problem: ‘ex-smokers are unstoppable’: sign up to the new and improved icoach and set your personal challenge today!
Can you repeat this sentence, but capitalize it?
Answer: ‘Ex-Smokers are Unstoppable’: Sign up to the new and improved iCoach and set your personal challenge today!
Text: 522220 towage, salvage and rescue activities

Correct capitalization: 522220 Towage, salvage and rescue activities
Text: in april 2009, anders christiansen was invited by kitt johnson and x-act to participate in the anatomical mini festival, pancreas, performing at k2 in copenhagen and then at archauz in aarhus. anders christiansen was asked to create a short solo piece about an anatomical theme of own choice.

Correct capitalization:
In April 2009, Anders Christiansen was invited by Kitt Johnson and X-act to participate in the anatomical mini festival, PanCreas, performing at K2 in Copenhagen and then at Archauz in Aarhus. Anders Christiansen was asked to create a short solo piece about an anatomical theme of own choice.