Hi Noel,
I did as requested, and tried to install service pack 1 only for it to fail :-(
I've also run the checks again and have attached the zipped CBS folder too.
Here's the CHECKSUR.persist: -
=================================
Checking System Update Readiness.
Binary Version 6.1.7601.21645
Package Version 17.0
2012-11-30 10:56
Checking Windows Servicing Packages
Checking Package Manifests and Catalogs
Checking Package Watchlist
Checking Component Watchlist
Checking Packages
Checking Component Store
(f) CSI Corrupt Component Keyform 0x00000000 identity amd64_server-help-chm.pmc_lh_31bf3856ad364e35_6,1.7600.16385_none_d1291f85838378a3 identity and keyform do not match; keyform is wrong.
(f) CSI Corrupt Component Keyform 0x00000000 identity amd64_mdmrock5.inf_31bf3856ad364e35_6.1.7600.16385_none_7c186d54cf76c4c6 identity and keyform do not match; keyform is wrong.
(f) CSI Corrupt Component Keyform 0x00000000 identity amd64_server-help-chm.applocker_help_31`f3856ad364e35_6.1.7600.16385_none_cce3123abaed13c3 identity and keyform do not match; keyform is wrong.
Summary:
Seconds executed: 545
Found 3 errors
CSI Corrupt Component Keyform Total count: 3
=================================
Checking System Update Readiness.
Binary Version 6.1.7601.21645
Package Version 17.0
2012-12-04 18:48
Checking Windows Servicing Packages
Checking Package Manifests and Catalogs
Checking Package Watchlist
Checking Component Watchlist
Checking Packages
Checking Component Store
(f) CSI Corrupt Component Keyform 0x00000000 identity amd64_server-help-chm.pmc_lh_31bf3856ad364e35_6,1.7600.16385_none_d1291f85838378a3 identity and keyform do not match; keyform is wrong.
(f) CSI Corrupt Component Keyform 0x00000000 identity amd64_mdmrock5.inf_31bf3856ad364e35_6.1.7600.16385_none_7c186d54cf76c4c6 identity and keyform do not match; keyform is wrong.
Summary:
Seconds executed: 596
Found 2 errors
CSI Corrupt Component Keyform Total count: 2
=================================
Checking System Update Readiness.
Binary Version 6.1.7601.21645
Package Version 17.0
2012-12-05 09:13
Checking Windows Servicing Packages
Checking Package Manifests and Catalogs
Checking Package Watchlist
Checking Component Watchlist
Checking Packages
Checking Component Store
Summary:
Seconds executed: 518
No errors detected
=================================
Checking System Update Readiness.
Binary Version 6.1.7601.21645
Package Version 17.0
2012-12-05 11:35
Checking Windows Servicing Packages
Checking Package Manifests and Catalogs
Checking Package Watchlist
Checking Component Watchlist
Checking Packages
Checking Component Store
Summary:
Seconds executed: 653
No errors detected
The last line might well say there are no errrors, but there are three listed in the first Components Store and two listed in the second Component store?
Slowly losing the will to live