title: An unhandled exception of type 'Amazon.Runtime.AmazonServiceException' occurred in AWSSDK.dll
body: <p>I have tried to add an object to my S3 bucket.</p>
  
  <pre><code>static IAmazonS3 client;
  client = new AmazonS3Client(Amazon.RegionEndpoint.USEast1);
  PutObjectRequest request = new PutObjectRequest()
  {
  BucketName = bucketName,
  Key = keyName,
  FilePath = filePath
  };
  PutObjectResponse response2 = client.PutObject(request); 
  </code></pre>
  
  <p>The above code is used, while running the above code, I got the following error.</p>
  
  <pre><code>An unhandled exception of type 'Amazon.Runtime.AmazonServiceException' occurred in AWSSDK.dll Additional information: Error downloading regions definition file.
  </code></pre>
  
  <p>I can add the files using console and download using the C# program. No issues in that. How to resolve this error ?</p>