Proffieboard boot up is looping on desktop

I removed the sd card and the same imformation is shown under “serial port” . At the bottom “Error while setting serial port parameters:9,600 N 8 1” is the line showing. Also, in “devices and printers”,'Proffieboard Properties" the USB Composite Device and USB Serial Device (COM3) show to be working properly.

I just recieved new data cables and get the same results as above.

Just select it all and it ctrl-c to copy, then come here, type three backticks, hit enter and then ctrl-v to paste.

When you say you reinstalled drivers, what drivers are you referring to?
There should be no need to install drivers for the ProffieOS serial port.

c:/users/mark/appdata/local/arduino15/packages/proffieboard/tools/arm-none-eabi-gcc/9-2020-q2-update/bin/../lib/gcc/arm-none-eabi/9.3.1/../../../../arm-none-eabi/bin/ld.exe:C:\Users\Mark\AppData\Local\Arduino15\packages\proffieboard\hardware\stm32l4\3.6.0\variants\STM32L433CC-ProffieboardV2/linker_scripts/STM32L433CC_FLASH.ld:224: warning: memory region `SRAM2' not declared
c:/users/mark/appdata/local/arduino15/packages/proffieboard/tools/arm-none-eabi-gcc/9-2020-q2-update/bin/../lib/gcc/arm-none-eabi/9.3.1/../../../../arm-none-eabi/bin/ld.exe: warning: changing start of section .bss by 16 bytes
c:/users/mark/appdata/local/arduino15/packages/proffieboard/tools/arm-none-eabi-gcc/9-2020-q2-update/bin/../lib/gcc/arm-none-eabi/9.3.1/../../../../arm-none-eabi/bin/ld.exe: warning: changing start of section .bss by 16 bytes
c:/users/mark/appdata/local/arduino15/packages/proffieboard/tools/arm-none-eabi-gcc/9-2020-q2-update/bin/../lib/gcc/arm-none-eabi/9.3.1/../../../../arm-none-eabi/bin/ld.exe: warning: changing start of section .bss by 16 bytes
c:/users/mark/appdata/local/arduino15/packages/proffieboard/tools/arm-none-eabi-gcc/9-2020-q2-update/bin/../lib/gcc/arm-none-eabi/9.3.1/../../../../arm-none-eabi/bin/ld.exe: warning: changing start of section .bss by 16 bytes
c:/users/mark/appdata/local/arduino15/packages/proffieboard/tools/arm-none-eabi-gcc/9-2020-q2-update/bin/../lib/gcc/arm-none-eabi/9.3.1/../../../../arm-none-eabi/bin/ld.exe: warning: changing start of section .bss by 16 bytes
Sketch uses 213408 bytes (81%) of program storage space. Maximum is 262144 bytes.
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I am also getting the notice from the computer that USB Composite Device cannot start, “code10”. Again

The drivers fom Zadig

Did you select the right port in Arduino → Tools → Port?

yes, I did. The COM3 was there just like always but the config compiles and then says "Error while setting serial port parameters:9,600 N 8 1

Now I am not getting the COM3 port at all, greyed out.

Does it say “(Proffieboard)” next to COM3 (when it’s there?)
It seems that you still have a problem with your board crashing.
I also want to make sure that you ran zadig on the bootloader device, NOT the proffieboard device.

You can still program your board normally if you do BOOT+RESET, right?
What version of the arduino-proffieboard plugin do you have?

Version 1.8.19. This morning it did say proffieboard COM3. now when I plug the board into the computer I get the notice, “The last device malfunctioned” The port is greyed out.

I have just Boot/Reset. I cannot believe that it uploaded. I have tried multiple times in the last hour. When I Boot/Reset the COM3(proffieboard) showed up.

On the computer it does not show the usb device to eject. I just pulled the data cable.

That’s weird.
When you do BOOT+RESET correctly, the board should go into bootloader mode, which doesn’t have a COM port. While in bootloader mode, it is possible to program even if there is no COM port. Maybe the COM port showed up after programming?

If COM3 shows up after BOOT+RESET, then either you have a bad cable, a bad board or you’re not doing BOOT+RESET right.

This is an arduino version, not arduino-proffieboard plugin version.

Ok, sorry, where do I find that. Thanks for your patience.

You go into tools → boards → board manager, then scroll to the proffieboard one.

Version 3.6.0

This board has been working great until I started to try OS6, absolutely nothing bad to say about it. I know it is user error. I am using a new data cable. I did look up to make sure I was doing “Boot/Reset” properly.

Saying you’re doing it properly is unhelpful.
If COM port showed up after BOOT+RESET, then it’s not working properly.
If COM port showed up after BOOT+RESET AND programming, then that would make sense.

However, your descriptions are very short and don’t explain the details of what you are doing, which makes it difficult to know what you are doing, and it makes it hard to help you. I’m still not sure if you have a driver problem, a bad cable or a board that keeps crashing for some reason. (Or maybe more than one of these problems.)