For those who only need to perform basic vector editing or are just starting out, Vectr is an excellent choice. It's a free, browser-based vector graphic tool, meaning there's no installation required. It features a very simple, intuitive interface that is perfect for creating logos, cards, and simple UI mockups.
Missing entry point errors ( The procedure entry point ... could not be located ). Adobe Illustrator Cs5.1 Amtlib.dll