Hello from Germany,
I've tested FBackup 4.6 and it reliably does what it is meant for ;-).
My only problem: When I start the program, it takes up to 30 secondes till the program's window appears, and sometimes it takes several seconds when I call up another backup icon inside this window. I found a similar problem under in this forum from 2 years ago, but there was no reason or solution given.
I use the latest release under Windows 7 64bit.