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Opera 28: is help broken?

No one answered the first (half of the) question.

Opera 28: is help broken?

No matter what word or words I search for, I get "Not found".

So . . .

Opera 28: is help broken?

If "yes", how does one repair it?

Look in opera://about. What does it say for version?

Version: 25.0.1614.68 - Opera is up to date
Update stream: Stable
System: Windows 7 64-bit (WoW64)

How do I fix this?

This webpage is not available
The webpage at opera://bookmarks/ might be temporarily down or it may have moved permanently to a new web address.

How do I add archive.org to my searches?