From 01e774b1eca7cc3a4efc902c4fb0d46010f8a622 Mon Sep 17 00:00:00 2001
From: Dean Herbert <pe@ppy.sh>
Date: Sun, 12 Feb 2017 20:25:42 +0900
Subject: [PATCH] Don't attempt to install/update on a non-installed version
 for now.

---
 osu.Desktop/Overlays/VersionManager.cs | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/osu.Desktop/Overlays/VersionManager.cs b/osu.Desktop/Overlays/VersionManager.cs
index a3648e1f12..f941401f43 100644
--- a/osu.Desktop/Overlays/VersionManager.cs
+++ b/osu.Desktop/Overlays/VersionManager.cs
@@ -47,6 +47,10 @@ protected override void Dispose(bool isDisposing)
         private async void updateChecker()
         {
             updateManager = await UpdateManager.GitHubUpdateManager(@"https://github.com/ppy/osu", @"osulazer", null, null, true);
+
+            if (!updateManager.IsInstalledApp)
+                return;
+
             var info = await updateManager.CheckForUpdate();
             if (info.ReleasesToApply.Count > 0)
             {