Connector Unavailable - exhausted support tips, still unavailable

Since a recent batch of Windows 10 updates, I get an error when using the Juris M extension in Brave. It says that Juris M/Zotero is unavailable.

I have gone through the steps below and it continues to give the same error.

https://www.zotero.org/support/kb/connector_zotero_unavailable

Please advise what to try next. Thanks!
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