Uncaught Error: kill EPERM

[Enter steps to reproduce:]

1. ...
2. ...

**Atom**: 1.31.2 x64
**Electron**: 2.0.7
**OS**: Microsoft Windows 10 Home Single Language
**Thrown From**: [pigments](https://github.com/abe33/atom-pigments) package 0.40.2

### Stack Trace

Uncaught Error: kill EPERM

```
At events.js:183

Error: kill EPERM
at _errnoException (util.js:1024:11)
at ChildProcess.kill (internal/child_process.js:395:26)
at Task.module.exports.Task.terminate (~/AppData/Local/atom/app-1.31.2/resources/app/src/task.js:148:31)
at ColorBuffer.module.exports.ColorBuffer.terminateRunningTask (/packages/pigments/lib/color-buffer.coffee:166:35)
at /packages/pigments/lib/color-buffer.coffee:33:8
at Function.module.exports.Emitter.simpleDispatch (~/AppData/Local/atom/app-1.31.2/resources/app/node_modules/event-kit/lib/emitter.js:27:20)
at Emitter.module.exports.Emitter.emit (~/AppData/Local/atom/app-1.31.2/resources/app/node_modules/event-kit/lib/emitter.js:156:34)
at disposables.add.displayLayer.onDidChange.changes (~/AppData/Local/atom/app-1.31.2/resources/app/src/text-editor.js:615:26)
at Function.module.exports.Emitter.simpleDispatch (~/AppData/Local/atom/app-1.31.2/resources/app/node_modules/event-kit/lib/emitter.js:27:20)
at Emitter.module.exports.Emitter.emit (~/AppData/Local/atom/app-1.31.2/resources/app/node_modules/event-kit/lib/emitter.js:156:34)
at DisplayLayer.emitDeferredChangeEvents (~/AppData/Local/atom/app-1.31.2/resources/app/node_modules/text-buffer/lib/display-layer.js:819:26)
at TextBuffer.module.exports.TextBuffer.emitDidChangeTextEvent (~/AppData/Local/atom/app-1.31.2/resources/app/node_modules/text-buffer/lib/text-buffer.js:1802:30)
at TextBuffer.module.exports.TextBuffer.transact (~/AppData/Local/atom/app-1.31.2/resources/app/node_modules/text-buffer/lib/text-buffer.js:998:18)
at TextEditor.transact (~/AppData/Local/atom/app-1.31.2/resources/app/src/text-editor.js:2007:30)
at TextEditor.moveCursors (~/AppData/Local/atom/app-1.31.2/resources/app/src/text-editor.js:2880:23)
at TextEditor.setCursorScreenPosition (~/AppData/Local/atom/app-1.31.2/resources/app/src/text-editor.js:2691:23)
at TextEditorComponent.didMouseDownOnContent (~/AppData/Local/atom/app-1.31.2/resources/app/src/text-editor-component.js:1808:25)
```

### Commands

```
-1:29.9.0 atom-save-all:saveAll (input.hidden-input)
-1:23 autoclose-html:close-and-complete (input.hidden-input)
-1:22.6.0 emmet:insert-formatted-line-break-only (input.hidden-input)
-1:21.7.0 core:undo (input.hidden-input)
-1:20.9.0 editor:move-to-end-of-screen-line (input.hidden-input)
-1:20.6.0 emmet:insert-formatted-line-break-only (input.hidden-input)
-1:20.6.0 editor:newline (input.hidden-input)
-1:12 autoclose-html:close-and-complete (input.hidden-input)
-1:06.7.0 emmet:insert-formatted-line-break-only (input.hidden-input)
-1:06.7.0 editor:newline (input.hidden-input)
-1:02.4.0 autoclose-html:close-and-complete (input.hidden-input)
-0:53.3.0 core:move-left (input.hidden-input)
-0:52.5.0 core:undo (input.hidden-input)
-0:51.4.0 core:backspace (input.hidden-input)
-0:41.3.0 autoclose-html:close-and-complete (input.hidden-input)
4x -0:25.1.0 atom-save-all:saveAll (input.hidden-input)
```

### Non-Core Packages

```
angularjs 0.5.3
atom-ide-ui 0.13.0
atom-save-all 0.4.1
atom-ternjs 0.18.3
atom-typescript 12.6.3
autoclose-html 0.23.0
autocomplete-ionic2-framework 0.3.2
color-picker 2.3.0
emmet 2.4.3
highlight-selected 0.14.0
logo-file-icons 1.13.0
minimap 4.29.8
minimap-highlight-selected 4.6.1
minimap-pigments 0.2.2
multi-cursor 2.1.5
pigments 0.40.2
platformio-ide-terminal 2.8.4
```