However, the installation of a so-called rootkit was found to interfere with the operating system and left the door open to malware infection. The blowback was intense and led to several lawsuits. Critics said that rootkits were frequently used by virus makers to burrow inside of Windows. It got so bad that Microsoft felt compelled to label part of the copy protection Sony used as spyware. Sony was forced to recall more than 4.7 million CDs as well as offer to replace 2.1 million CDs that it sold.
May 2, 2012 1:17 PM PDT
Photo by: James Martin/CNET
| Caption by: Charles Cooper, James Martin
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