Tried the hack and it didn't work, so I deleted it.
It's not there. Deleted it before my reply 13d ago.
I also tried the PowerShell commands again. When I run them I get a split second display with a blue back ground that says it's running, but in the command window the display is as I wrote above. As is nothing actually happened.
Please note that I've posted different commands for you to try, preceded by an installation of Mp3tag.
Still isn't working. Here's my output:
Microsoft Windows [Version 10.0.22000.739]
(c) Microsoft Corporation. All rights reserved.
C:>cd Program Files (x86)
C:\Program Files (x86)>cd Mp3Tag
C:\Program Files (x86)\Mp3tag>powershell -c "Get-AppxLastError"
C:\Program Files (x86)\Mp3tag>powershell -c "Get-AppxLog"
Time ID Message
6/18/2022 10:33:30 AM 821 During-logon registration of package
user S-1-5-21-2231506060-2851430017-2642402582-1001 finished with result: 0x0;
6/18/2022 10:33:30 AM 822 Updating registry for package
completed with result: 0x0.
C:\Program Files (x86)\Mp3tag>
OK, as a last resort you can try manually registering the shell extension from a command prompt with admin rights:
cd <path to Mp3tag installation>