Windows System Restore doesnt work <- self-protection inAvast can't be disabled?

hallo,

I use Avast Free 6.0.1367 and tried to restore my system. There are many restore point created, but it is not possible to restore to this point. I am getting error: The original copy of the directory could not be extracted from the restore point. Source:% SystemRoot% \ Registation. Goal: Com Plus Staging.

I disabled the self-protection in Avast but system restore is still not possible. Even when I start Windows in Secure Mode there is no success :-\

Is something wrong with Avast self-protection?
Or does someone know what could be the reason?

disable the behavior shield (or uninstall it if deactivating isn’t enough) and try again…

… otherwise please update Avast to V7.

how can I uninstall the shield???

... otherwise please update Avast to V7.
If you give me this advice it is something wrong with Avast 6 in this context?

1 you can uninstall the shield by going to the Avast uninstall entry in Windows, and choose the “change” option

2 nope, nothing especially V6 related, but V7 is out, so you should upgrade anyway.