I have purchased a Sound Forge Audio Studio 10, and having an issue, trial version features has been disappear from the purchased one, and now every time I run Noise Reduction, it prompt me for Serial Number for Vegas Noise Reduction 2.0 plugin, I have tried many time to reach tech support but they do not get back

I like to know if someone can help, where to get Vegas NR 2.0 Plugins SN thanks