Added detection of ransomware protection

I18N Commander/Processor/ExtensionsError.cs

@@ -17,6 +17,13 @@ public static class ExtensionsError
                 foreach (var blockingProcess in blockingProcesses)
                     sb.AppendLine($"- {blockingProcess.ProcessName} (id={blockingProcess.Id})");
                 
+                // Is there only one process and it is this one?
+                if (blockingProcesses.Count == 1 && blockingProcesses.First().ProcessName == "I18N Commander")
+                {
+                    sb.AppendLine();
+                    sb.AppendLine("Hint: Is the ransomware protection enabled in your Windows system? If so, please make sure that the I18N Commander has write permission.");
+                }
+                
                 return new ProcessorResult<TResult>(null, false, sb.ToString());
             }
             else