A Karabiner-Elements 'complex modification' JSON for use with Parsec remote desktop to disable Left-Command-W and Left-Command-Q when connected to a remote Windows computer..

parsec_command_w.json

{
  "title": "Parsec macOS client, Windows Host",
  "rules": [
    {
      "description": "Disable Cmd-W and Cmd-Q in Parsec, but allow Cmd-Tab.",
      "manipulators": [
        {
          "from": {
            "key_code": "q",
            "modifiers": {
              "mandatory": [
                "left_command"
              ]
            }
          },
          "to": [
            {
              "key_code": "q"
            }
          ],
          "conditions": [
            {
              "type": "frontmost_application_if",
              "bundle_identifiers": [
                "^tv.parsec.www"
              ]
            }
          ],
          "type": "basic"
        },
        {
          "from": {
            "key_code": "w",
            "modifiers": {
              "mandatory": [
                "left_command"
              ]
            }
          },
          "to": [
            {
              "key_code": "w"
            }
          ],
          "conditions": [
            {
              "type": "frontmost_application_if",
              "bundle_identifiers": [
                "^tv.parsec.www"
              ]
            }
          ],
          "type": "basic"
        }
      ]
    }
  ]
}