Try removing Acronis True Image Backup Archive Explorer to see if this resolves the issue

You are either trying to back up a free VMware ESXi using Acronis Agent for ESX/ESXi or you have not added a license to your paid version of VMware ESX/ESXi

User account under which you are trying to run the scheduled task may not have enough rights to do the task

There is no WinPopup service in Windows Vista, Windows 7 or Windows Server 2008

The problem is in incorrect SSL certificate generation for intercomponent connections of Acronis products. As workaround, try disabling SSL encryption

Uninstall Acronis True Image, delete the TrueImage subkey from Windows registry, and install Acronis True Image again

Detailed instructions on how to troubleshoot issues with tape drives and Acronis True Image Echo

When installing Acronis Agent on Windows XP/Vista Home, use an existing user account with a password

This article describes why it may not be possible to connect to Acronis Agent for Linux installed on Debian x64. The article also provides a solution for that.

Test of the command fails because the user is impersonated differently in Remote Desktop Session. The actual command within the backup plan will be executed fine

You have entered an incorrect E-mail or password. Please ensure that you type in a correct E-mail and password for your Acronis account

Acronis Backup & Recovery 10 failed to access the backup archive to delete it

Acronis Bootable Media is corrupt. Recreate it to fix the issue