8007370B Windows update encountered an unknown error

Please post the latest CBS.log after another SFC scan - then post another CheckSUR report, as I suspect that there will still be significant errors in that also

the SFC scan shows this...

Code:

 Line 44119: 2014-12-10 20:57:45, Info                  CSI    00000388 [SR] Repairing 3 components
 Line 44120: 2014-12-10 20:57:45, Info                  CSI    00000389 [SR] Beginning Verify and Repair transaction
 Line 44125: 2014-12-10 20:57:45, Info                  CSI    0000038c [SR] Cannot verify component files for Microsoft-Windows-TextServicesFramework-msctf, Version = 6.1.7600.16385, pA = PROCESSOR_ARCHITECTURE_AMD64 (9), Culture neutral, VersionScope = 1 nonSxS, PublicKeyToken = {l:8 b:31bf3856ad364e35}, Type neutral, TypeName neutral, PublicKey neutral, manifest is damaged (TRUE)
 Line 44126: 2014-12-10 20:57:45, Info                  CSI    0000038d [SR] Cannot repair member file [l:24{12}]"Ph3xIBC5.inf" of ph3xibc5.inf, Version = 6.1.7600.16385, pA = PROCESSOR_ARCHITECTURE_AMD64 (9), Culture neutral, VersionScope = 1 nonSxS, PublicKeyToken = {l:8 b:31bf3856ad364e35}, Type = [l:24{12}]"driverUpdate", TypeName neutral, PublicKey neutral in the store, file is missing
 Line 44131: 2014-12-10 20:57:45, Info                  CSI    00000390 [SR] Cannot verify component files for WinINet.ETW, Version = 6.1.7600.16385, pA = PROCESSOR_ARCHITECTURE_IA32_ON_WIN64 (10), Culture neutral, VersionScope = 1 nonSxS, PublicKeyToken = {l:8 b:31bf3856ad364e35}, Type neutral, TypeName neutral, PublicKey neutral, manifest is damaged (TRUE)

The CheckSUR scan shows this...

Code:

Checking Component Store
(f) CSI Payload File Missing 0x00000000 Ph3xIBC5.inf amd64_ph3xibc5.inf_31bf3856ad364e35_6.1.7600.16385_none_9e7d0270e1def2ea 
(f) CSI Missing Identity 0x00000000 appid win7-micros..anguagepack_31bf3856ad364e35_7.1.7601.16492_e86e6b9f25302ba0 
(f) CSI Catalog Missing 0x00000002 ff7d36516d1434f0afe881d2ba1d3660b8ab2595897a308e4fa4d5e1e26bd258.cat win7-micros..anguagepack_31bf3856ad364e35_7.1.7601.16492_e86e6b9f25302be0 Missing catalog or invalid CatalogThumprint
(fix) CSI Catalog Missing CSI File Replaced File: ff7d36516d1434f0afe881d2ba1d3660b8ab2595897a308e4fa4d5e1e26bd258.cat From: C:\windows\servicing\Packages\Win8IP-Microsoft-Windows-DownlevelApisets-Shell-WinIP-Package~31bf3856ad364e35~amd64~et-EE~7.1.7601.16492.cat
(f) CSI Missing Deployment Key 0x00000000 win7-micros..anguagepack_31bf3856ad364e35_7.1.7601.16492_dcdeaf1ab07f6937 HKLM\Components\CanonicalData\Deployments 
(f) CSI Missing Deployment Key 0x00000000 win7-micros..anguagepack_31bf3856ad364e35_7.1.7601.16492_f161491b8d26cb27 HKLM\Components\CanonicalData\Deployments 
(f) CSI Missing Deployment Key 0x00000000 win7-micros..anguagepack_31bf3856ad364e35_7.1.7601.16492_fed328da29f6220a HKLM\Components\CanonicalData\Deployments 
(f) CSI Missing Deployment Key 0x00000000 win7-micros..anguagepack_31bf3856ad364e35_7.1.7601.16492_eeaea00f212a4f51 HKLM\Components\CanonicalData\Deployments 
(f) CSI Missing Deployment Key 0x00000000 win7-micros..anguagepack_31bf3856ad364e35_7.1.7601.16492_fde02e301753d31c HKLM\Components\CanonicalData\Deployments 
(f) CSI Missing Deployment Key 0x00000000 win7-micros..anguagepack_31bf3856ad364e35_7.1.7601.16492_fb10d8de77ed2588 HKLM\Components\CanonicalData\Deployments 
(f) CSI Missing Deployment Key 0x00000000 win7-micros..anguagepack_31bf3856ad364e35_7.1.7601.16492_eee3432b21035dac HKLM\Components\CanonicalData\Deployments 
(f) CSI Missing Deployment Key 0x00000000 win7-micros..anguagepack_31bf3856ad364e35_7.1.7601.16492_ef8fa59929d753fb HKLM\Components\CanonicalData\Deployments 
(f) CSI Missing Deployment Key 0x00000000 win7-micros..anguagepack_31bf3856ad364e35_7.1.7601.16492_f88c3390e734fb46 HKLM\Components\CanonicalData\Deployments 
(f) CSI Missing Deployment Key 0x00000000 win7-micros..anguagepack_31bf3856ad364e35_7.1.7601.16492_fd4cb07e98bc1f17 HKLM\Components\CanonicalData\Deployments 
(f) CSI Missing Deployment Key 0x00000000 win7-micros..anguagepack_31bf3856ad364e35_7.1.7601.16492_eb5d85075a07f78b HKLM\Components\CanonicalData\Deployments 
(f) CSI Missing Deployment Key 0x00000000 win7-micros..anguagepack_31bf3856ad364e35_7.1.7601.16492_f16cb41cbb01056b HKLM\Components\CanonicalData\Deployments 
(f) CSI Missing Deployment Key 0x00000000 win7-micros..anguagepack_31bf3856ad364e35_7.1.7601.16492_f53dca606dd39bff HKLM\Components\CanonicalData\Deployments 
(f) CSI Missing Deployment Key 0x00000000 873033b2f15..d1715f94402_31bf3856ad364e35_6.1.7601.17720_86d856ca0a13c371 HKLM\Components\CanonicalData\Deployments 
(f) CSI Missing Deployment Key 0x00000000 win7-micros..anguagepack_31bf3856ad364e35_7.1.7601.16492_f33b39c3b072b729 HKLM\Components\CanonicalData\Deployments 
(f) CSI Missing Deployment Key 0x00000000 win7-micros..anguagepack_31bf3856ad364e35_7.1.7601.16492_ff8af78629849adc HKLM\Components\CanonicalData\Deployments 
(f) CSI Missing Deployment Key 0x00000000 win7-micros..anguagepack_31bf3856ad364e35_7.1.7601.16492_ee889ac5213aba75 HKLM\Components\CanonicalData\Deployments 
(f) CSI Missing Deployment Key 0x00000000 win7-micros..anguagepack_31bf3856ad364e35_7.1.7601.16492_2e4e27eca6282ffd HKLM\Components\CanonicalData\Deployments 
(f) CSI Missing Deployment Key 0x00000000 win7-micros..anguagepack_31bf3856ad364e35_7.1.7601.16492_9c5f7805355a970a HKLM\Components\CanonicalData\Deployments 
(f) CSI Missing Deployment Key 0x00000000 win7-micros..anguagepack_31bf3856ad364e35_7.1.7601.16492_f07f79af8db75b4b HKLM\Components\CanonicalData\Deployments 
(f) CSI Missing Deployment Key 0x00000000 win7-micros..anguagepack_31bf3856ad364e35_7.1.7601.16492_edcef0d72b035dd0 HKLM\Components\CanonicalData\Deployments 
(f) CSI C Mark Deployment Missing 0x00000000 c!f5124a5f846..a916910508c_31bfs856ad364e35_6.1.7601.17720_dd338e1174e72b50 amd64_f5124a5f846b1b9d5d6cba916910508c_31bf3856ad364e35_6.1.7601.17720_none_dd338e1174e72b50 
(f) CSI C Mark Deployment Missing 0x00000000 c!13d3e746f2a..962eeb153e2_31bf3856ad360e35_6.1.7601.21855_fafba71daf621235 amd64_13d3e746f2a0446080beb962eeb153e2_31bf3856ad364e35_6.1.7601.21855_none_fafbe71daf625235 
(f) CSI C Mark Deployment Missing 0x00000000 c!c982b74b248..9ef2295ae55_31bf3856ad364e35_6.1.7601.17720_0409b118eb5f6054 x86_microsoft-windows-i..timezones.resources_31bf3856ad364e35_6.1.7601.17720_bg-bg_970e2cb70b921705

I'll try posting fixes later.