Hidden files or folders are not displayed in Time Explorer if Windows Folder options are set not to show hidden files, folders, and drives

Make sure you have both Acronis True Image Home 2012 Upgrade serial number and a serial number from a previous version of Acronis True Image Home

Check for updates and run the installation file

If the Hyper-V service is stopped, you will see the "Failed to Obtain an Instance of Service Class 'Msvm_Virtualsystemmanagementservice'" entries in Acronis logs. To fix this issue, you have to start the Hyper-V service manually on Hyper-V host