Cant upload.

Development Tools IDE 1.x
1

This is my error message

avrdude: ser_open(): can't open device "\.\COM8": The system cannot find the file specified.

Problem uploading to board. See http://www.arduino.cc/en/Guide/Troubleshooting#upload for suggestions.

i have gone true all the options and cant get it fixed, something has changed. It also says building options has changed, when compiling sketch. I did even uninstall and reinstalled. but with no luck.

Please Help i dont know what else to try. I am still new but every thing was fine and now notting.

Thank u

2

Hello! I've had upload problems and it may be this, but could be another problem as well. If you want, try re-saving the file under a new name, plus in a new folder.

Its worked for me, but this fix deals with internal saving rather than external com from pc to board.

Hope this helps!

-Englishscone

3

Make sure you have the correct port selected from the Tools > Port menu.