TI Home 11: Verteilen der Tasks fehlgeschlagen

Hello,

I don't know how to translate that into english. If I try to create a new backup I keep getting the Message: "Verteilen der Tasks fehlgeschlagen". There is a 40digit errorcode, that you can't copy-paste. So I had to type it one by one into the Acronis errorcode-database - just to get the valuable information, that the code is unknown to the system. What the f***!!!
But here we are again with the error-code:
0x0090000b+0x00090045+0x0009ffff+x0000fff0+0x800706ba

Can anybody give me a hint on this, please?

Marlon

PS: Maybe this is connected to the described error: I did backup that external drive already in January to another external drive. (230 GB). And now I cannot update that recent Backup. It does not accept the destination-folder in that bigger external drive. When I chose the old backup-file it says something like: It can't work together with that file...?