I'm on the trial now with the latest Rebit 5.0.1035.10670 w/ WXP 32bit
Installing Rebit on a vanilla WXP 32bit system prior to performing Windows product activation will cause Rebit backup operations to get stuck in an infinite loop. Rebit will attempt to perform a backup, make a recovery point, then backup at most 5% or so (on my system at least), then reset. This continues ad infinitum. Took me a while to figure out that performing a Windows product activation fixed this problem. Better error handling for this situation from Rebit would be appreciated. I was about to uninstall Rebit since I thought it was not working at all.