Diagnose and repair WMI
Make sure that Acronis Managed Machine Service runs under account that belongs to Administrators group
Installation of Acronis Product fails with WMI Error in MSI log. This article provides information on how to find, identify and resolve typical errors in MSI logs of Acronis software.
You are backing up data of a Windows machine using file-level or disk-level backup plan.
In a while, backup fails with an error stack containing something like "Message: WMI 'ExecQuery' failed".