Take a deep breath
You can try it again if it didn't work.
Are you using the port on the bottom of the head?
It should be the same as the port on your radio.
Did you unzip the Download and unzip BC-RH96_V2_00_01.zip. so it is a .SCN file?
I'd Unzip it to the desktop so you can find it easy.
Did you use the BC_VUP_v2.0.0.7?
BCRH96FirmwareUpdate < UnidenMan4 < TWiki
Did you press the L/O, 6, and power the RH on?
The display will be blank, but will be on and orange.
Did you select the correct COM port in the pulldown menu?
There can be multiple ports to select.