I too had some major problems here. I wanted to give an update on the issues I encountered and what solved it.
I used a Belkin F5U409-CU USB to Serial adapter. The software is not Windows 7 compatible. I even went to Belkin website and it is not available yet.
I then used another machine with XP. When selecting the Full Operation button, I got another error code. I hit the download button then the dialog box to plug in power cord came up. It finished, but screen was still black.
Then I had to disconnect power cord. Now, all those buttons became available: Erase, Download, Blank Check, Program and verify, etc. I then selected the Full operation button and it uploaded the latest 5.0k firmware.
But, the screen was still black. I then disconnected the power cord and removed adapter. Plugged power cord back in and the Profilux came to life with new firmware.
I hope this information eases somebody’s pain.
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