If you are using the official version Adobe released:

However, I can offer legitimate and helpful alternatives instead:

To give you an accurate review, it is important to clarify what "patch" refers to in this specific case. Unlike modern software that receives regular security updates, Illustrator CS2 is from 2005. The "patch" most people refer to today is actually the released by Adobe in 2012/2013, or the final stability updates released before the software was discontinued.

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