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;
@@ -15,45 +19,52 @@ namespace NzbDrone.Windows.EnvironmentInfo
 
         public override Version Version { get; }
 
-        private static Version GetFrameworkVersion()
+        private Version GetFrameworkVersion()
         {
-            const string subkey = @"SOFTWARE\Microsoft\NET Framework Setup\NDP\v4\Full\";
-            using (var ndpKey = RegistryKey.OpenBaseKey(RegistryHive.LocalMachine, RegistryView.Registry32).OpenSubKey(subkey))
+            try
             {
-                if (ndpKey == null)
+                const string subkey = @"SOFTWARE\Microsoft\NET Framework Setup\NDP\v4\Full\";
+                using (var ndpKey = RegistryKey.OpenBaseKey(RegistryHive.LocalMachine, RegistryView.Registry32).OpenSubKey(subkey))
                 {
-                    return new Version(4, 0);
-                }
+                    if (ndpKey == null)
+                    {
+                        return new Version(4, 0);
+                    }
 
-                var releaseKey = (int)ndpKey.GetValue("Release");
+                    var releaseKey = (int)ndpKey.GetValue("Release");
 
-                if (releaseKey >= 394802)
-                {
-                    return new Version(4, 6, 2);
-                }
-                if (releaseKey >= 394254)
-                {
-                    return new Version(4, 6, 1);
-                }
-                if (releaseKey >= 393295)
-                {
-                    return new Version(4, 6);
-                }
-                if (releaseKey >= 379893)
-                {
-                    return new Version(4, 5, 2);
+                    if (releaseKey >= 394802)
+                    {
+                        return new Version(4, 6, 2);
+                    }
+                    if (releaseKey >= 394254)
+                    {
+                        return new Version(4, 6, 1);
+                    }
+                    if (releaseKey >= 393295)
+                    {
+                        return new Version(4, 6);
+                    }
+                    if (releaseKey >= 379893)
+                    {
+                        return new Version(4, 5, 2);
+                    }
+                    if (releaseKey >= 378675)
+                    {
+                        return new Version(4, 5, 1);
+                    }
+                    if (releaseKey >= 378389)
+                    {
+                        return new Version(4, 5);
+                    }
                 }
-                if (releaseKey >= 378675)
-                {
-                    return new Version(4, 5, 1);
-                }
-                if (releaseKey >= 378389)
-                {
-                    return new Version(4, 5);
-                }
-
-                return new Version(4, 0);
             }
+            catch (Exception e)
+            {
+                _logger.Error(e, "Couldnt get .NET framework version");
+            }
+
+            return new Version(4, 0);
         }
     }
 }