33955: Acronis Software: Upgrade or Installation Leads to "Fatal Error During Installation"

Last update: 30-04-2021


  1. You have installed Acronis software previously and you attempt to update the installed components to a newer version. Or you try to install Acronis software.
  2. During the setup you get this error while updating:

Code: 06442537
Line tag: 0x394351065f8e4b58
Message: Installation error.

Code: 01603
Line tag: 0xbd28fdbd64edb8e0
Message: Fatal error during installation


The issue might occur during installation of different software components. Each case requires individual investigation. Collect the following information:

  1. MSI Log
  2. System report using AcronisInfo Utility

and contact Acronis Support.