Struggling with the installation?
I found that my installation automatically updated from Windows update instead of letting me browse for the directory of the firmware i wish to use…
And each time I plugged into the same usb port more than once – the driver update wouldn’t initialize either as if that usb port was caching the fact that the install had been “successful”.
I did get around this, please follow this at your own risk though!

A Fix
Finally! After months and months, a BETA release of the firmware fix for Razer Megalodon on Windows 7 and I assume Vista 64 bit systems was here!
I have installed it on my Windows 7 64 bit system. And so far, without using a powered usb hub to fix the cut out issues, I have the pristine mic quality and perfect sound with no cutting out issues! (as one would expect by default!!!)
This fix should remove all issues for you too, but remember, this is a beta release! So if …

So do you have a Razer Megalodon that you bought just over a month ago when it came out? It was making its debut for the flagship product highly marketed by Razer. You probably used it seamlessly with Windows XP and enjoyed the beautifully perfect and pristine quality of this fantastic headset. However, those of us who have in fact upgraded a month later (to Windows 7 64 Bit), may be ready to sing a different tune about our experiences with the Razer Megalodon.