Hack: prevent frequent crashes on unload. This is not a great way to handle the problem, but it should also virtually always succeed... and it's far better than the current crashing behavior, until we can come up with something cleaner.

Dalamud/Dalamud.cs

@@ -140,6 +140,8 @@ namespace Dalamud {
         }
 
         public void Dispose() {
+            this.InterfaceManager.Dispose();
+
             Framework.Dispose();
 
             this.BotManager.Dispose();