i am having a error code 102 on an old MacBook Pro. I've factory reset it an ran a hardware test still hasn't resolved the update issue???

Hello PaulTullier,

We'll need to learn more about the error you're seeing on your MacBook Pro in order for us to help.

Where are you seeing this error exactly and what are you doing on your Mac when it appears?

Send over a detailed description of the issue, and we'll take a closer look.

Cheers.