SignTool Error: This file format cannot be signed because it is not recognized.
Trying to sign the msix signtool sign /fd sha256 /f $env:CODEBUILD_SRC_DIR\qwe.pfx /t http://timestamp.digicert.com "$env:CODEBUILD_SRC_DIR\PackageBuild\$APP_VERSION\qweqwe-$env:BRANCH_$APP_VERSION.msix" SignTool Error: This file format cannot be signed because it is not recognized. SignTool Error: An error occurred while attempting to sign: C:\codebuild\tmp\output\src605\src\asd.org\zxc\asd\PackageBuild\0.40.0.0\qweqe-0.40.0.0.msix Using AWS windows 2019.2 core codebuild image Installed windows 11 SDK 10.0.22621.0 when I copy the msix to redular windows 2019 server and run the same command - no issues. package has signed. MakeAppx from the same installation works also with no issues.