Macbook MiniVGA Display port Epson Projector Issues "Not Supported"

I have been using my Macbook OSx 10.8.5 with a Rocketfish Mini Displayport to VGA adapter (RF-AP307) connected to an Epson Projector (Powerlite83plus) for 3 weeks and just the other day a blue screen appeared on the projector stating that the computer is 'Not Supported'.
Actions I have already tried:
- turned on and off mirroring
- changed the refresh rate
- unplugged VGA adapter and restarted the computer
- attempted to install firmware update for MiniVGA display port following directions located here: http://support.apple.com/downloads/_Mini_DisplayPort_to_VGA_Firmware_Update (update failed because VGA adapter not found)
Anyone having similar issues and have some additional solutions? Need a solution fast, if I need to buy another VGA adapter I will but would rather not have to spend the money again...
Thanks

"- attempted to install firmware update for MiniVGA display port following directions located here: http://support.apple.com/downloads/_Mini_DisplayPort_to_VGA_Firmware_Update (update failed because VGA adapter not found)"
That update is for the Apple branded adapter, not the Rocketfish adapter.
I have the same adapter as you and have had no problems. That doesn't really mean anything other than the part does work with many types of projectors. Yours could have failed, though. Does it work on any other display or projector?

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Macbook MiniVGA Display port Epson Projector Issues "Not Supported"

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