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I have been trying to install IBM bluemix CLI and getting this error message while trying to push my php file to the server:

C:\xampp\htdocs\bluemix>bluemix app push index Invoking 'cf push index'...

FAILED fork/exec C:\Program Files\IBM\Bluemix\bin\cfcli\cf.exe: %1 is not a valid Win32 application.

C:\xampp\htdocs\bluemix>

I cannot understand understand. I am using Windows 10 - 64 bit system. I have been trying to install bluemix both 64 and 32 bit and none works. I wonder what else is lacking. Can anyone help?

Thanks.

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This error is not a PHP or XAMPP problem — Windows is refusing to start the cf binary you have. "%1 is not a valid Win32 application" (CreateProcess error 193 / ERROR_BAD_EXE_FORMAT) usually means the file is not a valid Windows PE executable (wrong platform build, corrupted download, or a non-Windows binary named cf.exe). (learn.microsoft.com)

Quick checks to run on the machine that showed the error (as reported by ):

where cf              # find which cf.exe is being called
Get-Command cf       # PowerShell equivalent
dir "C:\Program Files\IBM\Bluemix\bin\cfcli\cf.exe"

Also right-click the cf.exe → Properties → Details and note the file size. If the file is tiny, text, or missing version info, it’s likely corrupt or the wrong build.

Fixes that routinely work

  • Replace the offending cf.exe with the official Windows CF CLI build (download the Windows installer/binary from Cloud Foundry and use that Windows cf.exe). (docs.cloudfoundry.org)
  • Or reinstall the IBM/Bluemix CLI using the Windows installer so the bundled cf is the correct Windows binary. See IBM Cloud CLI install instructions for Windows (PowerShell installer). (cloud.ibm.com)

If you’re using the modern IBM Cloud CLI, verify whether Cloud Foundry support is provided or must be added as a plug-in (some IBM CLI releases require adding CF support or a plugin rather than bundling it). Use the IBM CLI plugin commands or the CLI’s install procedure if needed. (cloud.ibm.com)

Other tips: disable antivirus/URL scan and re-download the installer, try a different browser or mirror, check for duplicate cf.exe entries earlier on your PATH, and if nothing works capture Event Viewer / run SFC (System File Checker) to rule out system corruption. As noted, others fixed this by installing the correct Windows build rather than a Linux/Mac binary.

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