There are often problems with Topaz plug-ins. Did you use the Topaz installer to install into Elements 2022? If you did, then you should be contacting Topaz for assistance. If you didn't, then that's what you need to do.
And FWIW, on my Windows 10 machine, the Topaz Sharpen AI plug-in installs into:
C:\Program Files\Adobe\Photoshop Elements 2022\Required\Plug-Ins\Topaz
Is that where your denoise plug-in file is stored?