UPLOADING, please help

I CANT GET UNO TO UPLOAD it will compile...BUT WON"T SEND IT TO THE ARDUNIO..THERE IS a message (PROGRAMMER NOT RESPONDING)

I have tried three different computers ..........I have tried (uno,mega,nano .....boards)

I deleted ardunio IDE.,THEN RE INSTALLED WITH OUT THE FIRE WALL.

ANY HELP IS APPRECIATED

Please do this:

  • File > Preferences > Show verbose output during: > compilation (uncheck) > upload (check) > OK
  • Sketch > Upload
  • After the upload fails you’ll see a button on the right side of the orange bar “Copy error messages”. Click that button.
  • Paste the error messages in a reply here USING CODE TAGS (</> button on the toolbar).