Arduino: 1.8.7 (Windows Store 1.8.15.0) (Windows 10), Board: "Arduino/Genuino Uno"
Sketch uses 1094 bytes (3%) of program storage space. Maximum is 32256 bytes.
Global variables use 13 bytes (0%) of dynamic memory, leaving 2035 bytes for local variables. Maximum is 2048 bytes.
avrdude: ser_open(): can't open device "\.\COM3": The system cannot find the file specified.
Problem uploading to board. See http://www.arduino.cc/en/Guide/Troubleshooting#upload for suggestions.
Invalid library found in C:\Users\Arun kumar chaubey\Documents\Arduino\libraries\FJVZ326IJKEMNVI: no headers files (.h) found in C:\Users\Arun kumar chaubey\Documents\Arduino\libraries\FJVZ326IJKEMNVI
Invalid library found in C:\Users\Arun kumar chaubey\Documents\Arduino\libraries\FJVZ326IJKEMNVI: no headers files (.h) found in C:\Users\Arun kumar chaubey\Documents\Arduino\libraries\FJVZ326IJKEMNVI
This report would have more information with
"Show verbose output during compilation"
option enabled in File -> Preferences.
what to do how to solve error