To solve this issue, you need to do the following:

  1. Make sure that you have the latest build of Revest by right click Revest agent in the system tray → Select Tools → Click on Check for updates.
  2. Clear the backup cache:
      1. Find the location of Revest cache folder as mentioned here.
      2. If the backup cache folder is still in its default location (on the C: drive), then open this folder and delete the contents of the folder BackupCache folder.
      3. If you have moved the cache folder to another drive, then go to that drive → _RevestCache → Open the folder that you will find inside it (This folder carries your username) → Clear the contents of the BackupCache folder.
      4. Exit Revest. (Right-click Revest agent in the system tray → Exit)
      5. Start Revest. (From Start menu → All Programs → Revest → Revest)