To "unsign" a file using Microsoft's , you can use the built-in remove command. This process strips digital signatures from Windows executables (.exe) or library files (.dll), which is often done during development or modification to avoid "corrupted signature" errors. Guide: Removing Digital Signatures with SignTool
signtool sign /f your_cert.pfx /p your_password /t http://timestamp.digicert.com /v yourfile.exe signtool unsign cracked