8305: Installation of Acronis Product Fails with "...not a valid Win32 application"

Last update: 29-11-2021

Update and repair Windows Installer to fix the issue

This article applies to:

  • All Acronis products


An attempt to install Acronis software fails with the following error message:

...not a valid Win32 application


Corrupted installation file (e.g. due to incomplete download) or corrupted Windows Installer configuration.


  1. Try updating and repairing Windows Installer. See Microsoft Knowledge Base Article 942288;
  2. Redownload the latest build of the product. See Downloading the Latest Build of Acronis Software;
  3. Reattempt the installation.

If the solution does not help, try removing security software that you may have and reattempt the installation.

More information

See also Acronis True Image: Installation Fails in Windows