If you're using an older version like 9.0.4 Build 1948, you might consider updating to a newer version of Camtasia to take advantage of the latest features, security patches, and support.
Regarding the "crack" part, I must emphasize that using unauthorized software cracks or licenses can be against the terms of service and potentially harmful to your computer. TechSmith offers a free trial of Camtasia, allowing you to test the software before purchasing a legitimate license.
Camtasia Studio 9.0.4 Build 1948 is an older version of the software. The current version of Camtasia is 2022.0, which offers many new features, improvements, and bug fixes.