Board at COM1 is not available

the drivers are updates
arduino is plugged in
i can put code on arduino
arduino is under com1
it shows up on the devices

i am using windows 10


Arduino: 1.6.3 (Windows 8.1), Board: "Arduino Uno"

Board at COM1 is not available

Try following the steps here to change the port that the Arduino connects to as some other program might be trying to use that port.

For those with this problem
you can also check what port is selected on de IDE
Tools-->Port:(COMxx("your board")) -->