Symptoms

1. You try to install Agent for Windows on a Windows 10 or Windows Server 2016.

2. Installation fails with an error 

%1 is not a valid Win32 application

3. Installation log contains an error similar to the following one:

MSI_TRACE(tib): Failed to install: status 193.  

Cause

tib.sys driver is not compatible with Hypervisor-protected code integrity (HVCI) feature.

Solution

As a workaround, disable HVCI on the machine as described in this article

This issue does not exist in Acronis Backup 12.5. If you have active maintenance contract, you are eligible for a free upgrade: see Acronis Backup 12.5: how to download a free upgrade

More information

See also Installation of Acronis Product Fails with "...not a valid Win32 application"