Malwarebytes Chameleon is a built-in utility tool in the Malwarebytes application. It helps to open the program when the usual ways fail to do so. When successfully started, you can command it to run a deep scan. Thus, it should eliminate the virus from your system that was causing the trouble. However, this method is only useful if the error is because of a malware infection. Besides, the success rate of Malwarebytes Chameleon is questionable.