In summary, Waveshell1-vst3 11.0-x64 -vst3- is the that acts as the gateway to accessing your Waves v11 plugins.
Your DAW freezes at "Scanning: Waveshell1-vst3." Cause: A corrupted version of the shell or conflicting legacy VST2 shells. Fix: Vst Plugin Waveshell1-vst3 11.0-x64 -vst3-
For producers struggling with the jump from V11 to V14, remember that each major version is a standalone shell. You can technically have Waveshell1-v11.vst3 and Waveshell1-v14.vst3 side by side, though this is not recommended due to potential confusion for your DAW. In summary, Waveshell1-vst3 11
In your DAW, you see "CLA-76 (Stereo)" and "CLA-76 (Stereo) VST3." Cause: Waves installs both a VST2 .dll file and this VST3 shell by default. Fix: To avoid clutter, open Waves Central -> Settings -> Plugin Format Settings -> Uncheck VST2 if you only want VST3. Or, manually remove the VST2 folder path from your DAW’s scan list. You can technically have Waveshell1-v11
The is not a rogue process or a bug. It is one of the most sophisticated plugin wrappers in professional audio. Its shell architecture allows you to run hundreds of high-end emulations (from Abbey Road chambers to API consoles) without choking your CPU.