Run the com registration fixing tool under the nvda tools menu in version 21.2
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I'd also suggest installing NVDA 2021.3beta2. It's been running fine and is likely to go to Release Candidate (RC) stage soon.
It also fixes "the NVDA and add-on update" issue that keeps being reported, and even were you to decide to roll back afterward, that fix stays because it's a fix to resources used by NVDA, external to NVDA, not the NVDA code itself.
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Brian -Windows 10, 64-Bit, Version 21H1, Build 19043
The ignorance of one voter in a democracy impairs the security of all.
