- Install program. - If you're under 64-bit operating system, you need to replace 2 fixed Protein files in the following path: C:\Program Files\SOUND FORGE\SOUND FORGE Audio Studio 13\Protein - You must replace both in the above location. - - If you're under 32-bit operating system, you need to replace 32-bit fixed Protein files in the following path: C:\Program Files (x86)\SOUND FORGE\SOUND FORGE Audio Studio 13\Protein - Don't update and have a firewall blocking it from calling home.