Please capitalize where necessary: if your pc opens the h4c file, but it's the wrong application, you'll need to change your windows registry file association settings. in other words, windows is associating h4c file extensions with the wrong software program.
A: If your PC opens the H4C file, but it's the wrong application, you'll need to change your Windows registry file association settings. In other words, Windows is associating H4C file extensions with the wrong software program.

Please capitalize where necessary: when it comes to high-end applications for the optics sector, part precision, quality and cleanliness of the production environment must be 100% right.
A: When it comes to high-end applications for the optics sector, part precision, quality and cleanliness of the production environment must be 100% right.

Please capitalize where necessary: now leave us.” the answer came directly “yes, your majesty.” the second the doors closed behind the captain the courier rose and started talking “i have a message from your outpost close to the mountain of the dragon, your majesty.
A: Now leave us.” The answer came directly “Yes, your majesty.” The second the doors closed behind the captain the Courier rose and started talking “I have a message from your outpost close to the Mountain of the Dragon, your majesty.

Please capitalize where necessary: and in order to thank all the uses' support and also as a return, dll suite introduced this free download service to help millions of pc users suffering from dll errors like cmdkey.exe.
A:
And in order to thank all the uses' support and also as a return, DLL Suite introduced this Free Download Service to help millions of PC users suffering from DLL errors like cmdkey.exe.