Part Number:LMP91000EVM
I have been using the SPIO-4 board with LMP91000EVM and the associated LMP91000 software on several 32-bit and 64-bit Windows 10 machines for the past year. I am aware of the issues with the LMP91000EVM software in Windows 7, 8 and 10, but the "enable unsigned drivers" workaround posted elsewhere on this forum has been consistently successful.
Unfortunately, it appears that a recent Windows update has broken this workaround. I strongly suspect that the issue is with KB4054022 from Dec. 2018, which is unfortunately not an uninstallable update. Specific details are provided below.
Have any other users experienced recent issues with the workaround no longer working? If someone with a fully updated computer is still able to use SPIO-4, that's helpful to know as it might indicate an issue specific to my computer.
And/or, is there any update from TI on an intent to finally get these drivers signed? In 2013 a TI admin mentioned such an effort, but it seems no public progress has been made in the past 4 years ......
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Additional details:
The specific issue is that the updated computer no longer recognizes SPIO-4 in Device Manager. Previously when installing drivers, it was possible to select the board as "SPIO-4" under an "Unknown Device" tab and point it to the appropriate driver folder. Now it only shows under hidden devices as "Unknown Device" under an "Unknown Device" tab, and fails to install drivers. Somewhat contrarily, the Windows hardware troubleshooter does specifically recognize that "SPIO-4 doesn't have drivers installed" but running the troubleshooter yields no results and never asks for a driver location. The board LEDs do light up when the board is connected, and the computer does sound the "USB device connected/disconnected" chime.
This leads me to believe that the issue may not be because of the unsigned drivers. Other Windows users have experienced issues with older USB-connected devices following the aforementioned Windows update.
I am aware that I can do a repair upgrade to eliminate the problematic update, but it would be great for there to be a more long-term, secure fix.