The past few versions I have attempted to update Opera Browser through the "Update & Recovery" menu option.
This normally functions quite well. It detects a new version. I watch the progress as it downloads the update. Then tells me to relaunch the browser and all is well.
Lately, however, It goes through the same motions, downloads the update and displays an installation dialog and when I tell it to continue it says that the update failed and that I should download the update from the website.
This is occurring on my Windows 10 pro 64 computer but not my windows 11 computer.
Also I do not install applications in the default locations.
I install all my 3rd party apps here: D:\Programs....
Thank you for your time.

This issue seems specific to your Windows 10 Pro 64 computer, as your Windows 11 computer doesn't encounter it. Your practice of installing applications in a non-default location might be a factor worth considering in troubleshooting the update failure. Have you tried reaching out to Opera support for assistance with this issue? Thank you for sharing your experience, and I hope you find a resolution soon!