Added platform version error handling

src/NzbDrone.Mono/EnvironmentInfo/MonoPlatformInfo.cs

@@ -37,7 +37,7 @@ namespace NzbDrone.Mono.EnvironmentInfo
             }
             catch (Exception ex)
             {
-                logger.Error(ex, "Unable to get mono version: " + ex.Message);
+                logger.Error(ex, "Unable to get mono version");
             }
 
             Version = runTimeVersion;

src/NzbDrone.Windows/EnvironmentInfo/DotNetPlatformInfo.cs

@@ -1,13 +1,17 @@
 using System;
 using Microsoft.Win32;
+using NLog;
 using NzbDrone.Common.EnvironmentInfo;
 
 namespace NzbDrone.Windows.EnvironmentInfo
 {
     public class DotNetPlatformInfo : PlatformInfo
     {
-        public DotNetPlatformInfo()
+        private readonly Logger _logger;
+
+        public DotNetPlatformInfo(Logger logger)
         {
+            _logger = logger;
             var version = GetFrameworkVersion();
             Environment.SetEnvironmentVariable("RUNTIME_VERSION", version.ToString());
             Version = version;
@@ -15,7 +19,9 @@ namespace NzbDrone.Windows.EnvironmentInfo
 
         public override Version Version { get; }
 
-        private static Version GetFrameworkVersion()
+        private Version GetFrameworkVersion()
+        {
+            try
             {
                 const string subkey = @"SOFTWARE\Microsoft\NET Framework Setup\NDP\v4\Full\";
                 using (var ndpKey = RegistryKey.OpenBaseKey(RegistryHive.LocalMachine, RegistryView.Registry32).OpenSubKey(subkey))
@@ -51,9 +57,14 @@ namespace NzbDrone.Windows.EnvironmentInfo
                     {
                         return new Version(4, 5);
                     }
+                }
+            }
+            catch (Exception e)
+            {
+                _logger.Error(e, "Couldnt get .NET framework version");
+            }
 
             return new Version(4, 0);
         }
     }
-    }
 }