Sentence construction

[2010]

Which one is correct.

The second sounds correct to me. Please tell me if the first one is correct. If so, is the usage of conjunction to link to messages in the sentence is correct?

I understand that you are unable to go online and getting an error XYZ.

I understand that you are getting an error "XYZ" while trying to go online.

[2010]

Gil

As usual, you are there to help!

Thanks Gil, much appreciated!!