Because Swift Shader is simulating hardware, it isn't perfect.
Scan any downloaded file with Windows Defender or Malwarebytes before opening.
Instead, install it per game:
: Allows older integrated graphics (like the Intel 9xx series) to bypass hardware checks for Pixel Shader 3.0 or Vertex Shader 3.0 .
. SwiftShader will automatically intercept graphics calls and process them using your CPU.