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, glu32.dll may be mistakenly deleted.

Write the above sentence using proper case.
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, glu32.dll may be mistakenly deleted.