From 622b3961118ff43c4f9f1d51a9b52890cd72184d Mon Sep 17 00:00:00 2001
From: Kevin Sawicki <kevin@github.com>
Date: Tue, 3 Feb 2015 17:04:30 -0800
Subject: [PATCH] Guard against no LOCALAPPDATA env var

---
 src/browser/main.coffee | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/browser/main.coffee b/src/browser/main.coffee
index e688605d1..9f2eee3fe 100644
--- a/src/browser/main.coffee
+++ b/src/browser/main.coffee
@@ -81,7 +81,7 @@ setupAtomHome = ->
   # in a non-default location. This enables an easy portable version.
   if process.platform is 'win32'
     SquirrelUpdate = require './squirrel-update'
-    if SquirrelUpdate.existsSync()
+    if SquirrelUpdate.existsSync() and process.env.LOCALAPPDATA
       atomPath = path.join(process.env.LOCALAPPDATA, 'atom').toLowerCase()
       if __dirname.toLowerCase().indexOf(atomPath) isnt 0
         rootAtomFolder = path.resolve(process.execPath, '..', '..')