The return from your command window should look something like this:
Microsoft Windows [Version 6.1.7601]
Copyright (c) 2009 Microsoft Corporation. All rights reserved.
Beginning system scan. This process will take some time.
Beginning verification phase of system scan.
Verification 100% complete.
Windows Resource Protection did not find any integrity violations.
If you didn't get that, then there's problems
that will be listed in the CBS.Log file. If you ZIP the file, it should upload. But if it's that large, I already suspect you have corrupt files.