Windows 10/11 blocks unsigned drivers by default. CLS Magic 2’s virtual audio driver may not have a modern Microsoft signature.
Get-FileHash "C:\Path\To\CLS_Magic_2_x64.exe" -Algorithm SHA256 cls magic 2 x64 download
If you struggle to find a safe download or face persistent bugs, consider these modern, maintained alternatives. They are all 64-bit and more reliable. Windows 10/11 blocks unsigned drivers by default