Thanks, Aura. I appreciate your help.
As I said in my first post, I ran SURT, and my second post contains the ZIP file with all of the contents of the CBS log folder including CheckSUR.log.
So I'm not sure I understand why you didn't just open that up and had a look.
But anyway, here is the contents of the CheckSUR.log file:
=================================
Checking System Update Readiness.
Binary Version 6.1.7601.22471
Package Version 26.0
2015-09-11 00:52
Checking Windows Servicing Packages
Checking Package Manifests and Catalogs
(f) CBS MUM Corrupt 0x800F0900 servicing\Packages\Package_2_for_KB2977292~31bf3856ad364e35~amd64~~6.1.1.0.mum Line 1:
(f) CBS Catalog Corrupt 0x800B0100 servicing\Packages\Package_2_for_KB2977292~31bf3856ad364e35~amd64~~6.1.1.0.cat
(f) CBS MUM Corrupt 0x800F0900 servicing\Packages\Package_for_KB2977292_SP1~31bf3856ad364e35~amd64~~6.1.1.0.mum Line 1:
(f) CBS Catalog Corrupt 0x800B0100 servicing\Packages\Package_for_KB2977292_SP1~31bf3856ad364e35~amd64~~6.1.1.0.cat
(f) CBS MUM Corrupt 0x800F0900 servicing\Packages\Package_for_KB2977292~31bf3856ad364e35~amd64~~6.1.1.0.mum Line 1:
(f) CBS Catalog Corrupt 0x800B0100 servicing\Packages\Package_for_KB2977292~31bf3856ad364e35~amd64~~6.1.1.0.cat
Checking Package Watchlist
Checking Component Watchlist
Checking Packages
Checking Component Store
(f) CSI Manifest All Zeros 0x00000000 winsxs\Manifests\amd64_microsoft-windows-rastls_31bf3856ad364e35_6.1.7601.22792_none_cabc39528023cdfa.manifest amd64_microsoft-windows-rastls_31bf3856ad364e35_6.1.7601.22792_none_cabc39528023cdfa
(f) CSI Manifest All Zeros 0x00000000 winsxs\Manifests\amd64_microsoft-windows-rastls_31bf3856ad364e35_6.1.7601.18584_none_ca3f6b2166fc47c6.manifest amd64_microsoft-windows-rastls_31bf3856ad364e35_6.1.7601.18584_none_ca3f6b2166fc47c6
Summary:
Seconds executed: 16312
Found 8 errors
CSI Manifest All Zeros Total count: 2
CBS MUM Corrupt Total count: 3
CBS Catalog Corrupt Total count: 3
Unavailable repair files:
winsxs\manifests\amd64_microsoft-windows-rastls_31bf3856ad364e35_6.1.7601.22792_none_cabc39528023cdfa.manifest
winsxs\manifests\amd64_microsoft-windows-rastls_31bf3856ad364e35_6.1.7601.18584_none_ca3f6b2166fc47c6.manifest
servicing\packages\Package_2_for_KB2977292~31bf3856ad364e35~amd64~~6.1.1.0.mum
servicing\packages\Package_2_for_KB2977292~31bf3856ad364e35~amd64~~6.1.1.0.mum
servicing\packages\Package_for_KB2977292_SP1~31bf3856ad364e35~amd64~~6.1.1.0.mum
servicing\packages\Package_for_KB2977292_SP1~31bf3856ad364e35~amd64~~6.1.1.0.mum
servicing\packages\Package_for_KB2977292~31bf3856ad364e35~amd64~~6.1.1.0.mum
servicing\packages\Package_for_KB2977292~31bf3856ad364e35~amd64~~6.1.1.0.mum
servicing\packages\Package_2_for_KB2977292~31bf3856ad364e35~amd64~~6.1.1.0.cat
servicing\packages\Package_2_for_KB2977292~31bf3856ad364e35~amd64~~6.1.1.0.cat
servicing\packages\Package_for_KB2977292_SP1~31bf3856ad364e35~amd64~~6.1.1.0.cat
servicing\packages\Package_for_KB2977292_SP1~31bf3856ad364e35~amd64~~6.1.1.0.cat
servicing\packages\Package_for_KB2977292~31bf3856ad364e35~amd64~~6.1.1.0.cat
servicing\packages\Package_for_KB2977292~31bf3856ad364e35~amd64~~6.1.1.0.cat
Customer Experience report successfully uploaded. Thank you for participating. For more information, see the Microsoft Customer Experience Improvement Program on the Microsoft web site.