
Update and repair Windows Installer to fix the issue
This article applies to:
Symptoms
An attempt to install Acronis software fails with the following error message:
...not a valid Win32 application
Cause
Corrupted installation file (e.g. due to incomplete download) or corrupted Windows Installer configuration.
Solution
- Try updating and repairing Windows Installer. See Microsoft Knowledge Base Article 942288;
- Redownload the latest build of the product. See Downloading the Latest Build of Acronis Software;
- 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 Internet Security Suite 2010: Troubleshooting Installation Issues.