Parse failed video playback errors when in public instances

Dotnet/LogWatcher.cs

@@ -621,6 +621,8 @@ namespace VRCX
 
             // 2024.07.31 22:28:47 Error      -  [AVProVideo] Error: Loading failed.  File not found, codec not supported, video resolution too high or insufficient system resources.
             // 2024.07.31 23:04:15 Error      -  [AVProVideo] Error: Loading failed.  File not found, codec not supported, video resolution too high or insufficient system resources.
+            
+            // 2025.05.04 22:38:12 Error      -  Attempted to play an untrusted URL (Domain: localhost) that is not allowlisted for public instances. If this URL is needed for the world to work, the domain needs to be added to the world's Video Player Allowed Domains list on the website.
             const string youtubeBotError = "Sign in to confirm you’re not a bot";
             const string youtubeBotErrorFixUrl = "\n[VRCX]: We've made a program to help with this error, you can try it out here: https://github.com/EllyVR/VRCVideoCacher";
 
@@ -666,6 +668,24 @@ namespace VRCX
                 return true;
             }
 
+            if (line.Contains("Attempted to play an untrusted URL"))
+            {
+                var data = line.Substring(offset);
+                if (data == logContext.LastVideoError)
+                    return true;
+                
+                logContext.LastVideoError = data;
+                AppendLog(new[]
+                {
+                    fileInfo.Name,
+                    ConvertLogTimeToISO8601(line),
+                    "event",
+                    "VideoError: " + data
+                });
+                
+                return true;
+            }
+
             return false;
         }