1447 - Backup fails with error: "Could not parse xml content"

Symptom

A backup fails with the error "Could not parse xml content".

Cause

This is caused by a corrupt file in the index in the history folder, located here: 

C:\ProgramData\Redstor Pro\Backup Client ESE\data\history

Solution

To resolve this:

1. Clear out the history folder by deleting all the files. This will refresh the indexes.

2. Attempt the backup again.