This topic will be locked after this post.  The issue that started it, while related to synth voices, is clearly NOT an NVDA-related issue.  NVDA does not ever remove OneCore voices.  These are controlled at the level of Windows, as is the whole process of acquiring and installing them.  If in-depth discussion about this particular issue is desired, the Windows Access with Screen Readers Group is the appropriate venue:

Group Archive:  https://winaccess.groups.io/g/winaccess/topics

Subscribe: winaccess+subscribe@winaccess.groups.io

Post: winaccess@winaccess.groups.io

Unsubscribe: winaccess+unsubscribe@winaccess.groups.io

Group Owner: winaccess+owner@winaccess.groups.io

Help: winaccess+help@winaccess.groups.io

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Whenever any inexplicable issue presents itself in Windows “out of the blue” and with seemingly no reason, these are the two things I try first, in order:

1. Using DISM (Deployment Imaging Servicing and Management) and SFC (System File Checker) to Repair Windows 8.1, 10 & 11

2. Performing a Windows 10 or 11 Repair Install or Feature Update Using the Windows ISO file

If #1 fixes the issue, #2 is unnecessary.
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Topic Locked.

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Brian - Windows 10, 64-Bit, Version 21H2, Build 19044  

The difference between a top-flight creative man and the hack is his ability to express powerful meanings indirectly.

         ~ Vance Packard