Tethering EOS R5 reports camera as not connected

Did it work? I'm having same but I have macOS 

Until two days ago, soon after a recent CC update to Lightroom, I have been successfully Tethering my Canon EOS R5 to Lightroom Classic using a TetherTools cable. It has worked great, but with the most recent release of LR (12.1) it no longer works. Tethering works fine with Canon Digital Photo Professional and EOS Utility. Now I have to tether with the Canon software, and then synchronize the folder in Lightroom Classic, and that's not a convenient workflow.

Lightroom Version Classic Version 12.1

Windows 11 Home, Version 21H2

Canon EOS R5 with latest firmware

Tether Tools tethering cable

Steps taken:

1. Start Lightroom Classic

2. Connect EOS R5 to PC USB using Tether Tools Cable

3. Switch camera ON

4. In Lightroom, File > Tethered Capture > Start Tethered Capture

5. Create destination folder

6. Camera is recognised, but "busy" and the camer LCD shows only a monitor and battery icon

7. Camera is not functional until disconneted from PC

8. Start Canon Digital Photo Professional (latest version)

9. Choose Remote Shooting (starts EOS Utility)

10. Select destination folder

11. Camera functions properly

12. In Lightroom, synchronise folder to view and edit captured photos.