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However, Sony's software developers were not far behind. They continuously monitored the software's usage and updated the authentication mechanism to stay ahead of the crackers. This led to a cat-and-mouse game between the two groups, with each side trying to outsmart the other.

To combat piracy, Sony introduced a new authentication code system for Sound Forge 9.0c. The update required users to register their software and obtain a unique authentication code to continue using the product. This move was aimed at ensuring that only legitimate users could access the software.

As with any software protection mechanism, a group of clever individuals, often referred to as "crackers," decided to take on the challenge of bypassing the authentication code. Their goal was to create a cracked version of Sound Forge 9.0c that would allow users to use the software without needing a valid authentication code.

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Eventually, Sony's efforts to protect its software paid off. The authentication code mechanism became increasingly sophisticated, making it more difficult for crackers to bypass. The cat-and-mouse game eventually subsided, as the crackers moved on to target other software.