Having issues with coding rdn Uno

Basically whichever port i try my arduino exits upload with a code "1" and the board shows as unknown and there are no comms that are other than my uno
BN:Unknown board
VID: 0x1A86

PID 0x7523
SN:(null)
avrdude:ser_open():
can't set com-state for "//./COM(whichever i pluged it on)" and i have no code except for void's

PS. its the one with the microchip embedded

See if Port monitor error: command 'open' failed: Invalid serial port. Could not connect to COM serial port - #49 by ptillisch will solve the issue.

That is normal for boards with a generic serial-to-usb adapter.

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