"Busy", Not Uploading

Development Tools IDE 1.x
1

I am trying to use the web editor with my Arduino UNO, but I am having trouble uploading sketches.

I have the board selected - Arduino UNO (COM3), and I opened the "Blink" example sketch. When I try to upload it, the upload starts, but it never completes the upload and constantly displays the "Busy" icon.

I opened the "Debug Console" and this is what I got. Any help would be appreciated.

{
  "Version": "1.2.7"
}

{
  "Commands": [
    "list",
    "open <portName> <baud> [bufferAlgorithm: ({default}, timed, timedraw)]",
    "(send, sendnobuf, sendraw) <portName> <cmd>",
    "close <portName>",
    "restart",
    "exit",
    "killupload",
    "downloadtool <tool> <toolVersion: {latest}> <pack: {arduino}> <behaviour: {keep}>",
    "log",
    "memorystats",
    "gc",
    "hostname",
    "version"
  ]
}

{
  "Hostname": "AHS-X360-102"
}

{
  "OS": "windows"
}

list

Serial Ports:
[
  {
    "Name": "COM3",
    "SerialNumber": "850363136303518032A2",
    "IsOpen": false,
    "VendorID": "0x2341",
    "ProductID": "0x0043"
  }
]

Network Ports:
[]
2

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