@HamletRFC,
Thank you for posting your query on HP Community,
According to the failure ID: 0UW7PH-8JD9NM-MFPX7A-G1TB13
This clearly indicates a possible hardware failure with the failure code 807 and the Error message as Mouse Button Failure.
In this scenario, I would recommend you contact our HP support team for further assistance.
HP support team can be reached on this link.
Let me know if you need any further assistance. I'll be more than happy to help you.
Take care and have a great day!
Cheers 🙂
Jeet_Singh
I am an HP Employee