Tasks:
1 - Fix DISM (done)
2 - Fix Corrupted tasks (done)
3 - Fix RPCRT4 (done)
4 - Fix CBS.log (done)
5 - Fixing CheckSUR 18 errors found (done)
=================================
Checking System Update Readiness.
Binary Version 6.1.7601.23471
2017-06-05 01:48
Checking Windows Servicing Packages
Checking Package Manifests and Catalogs
Checking Package Watchlist
Checking Component Watchlist
Checking Packages
Checking Component Store
Summary:
Seconds executed: 1087
No errors detected
I fixed this by uninstalling AVAST then deleting those files, and reinstalling a clean install of AVAST.
I guess I'm done here, I hope this will help people whom will face the same problems in future.