Inno Setup – Signing fails with “Sign Tool failed with exit code 0x1”

You didn’t provide us any information that we can use to debug your problem. So I’m posting generic instructions to debug issues with a “sign tool”. Try command-line compiler (ISCC.exe). It will preserve a full signtool.exe error message in the output: Or temporarily prefix the sign tool command with cmd.exe /k to preserve its output … Read more