missing many DLLs, unable to do Windows Update, after hibernation.

Quite some time ago - a couple of months - I hibernated my windows system, which I have never done before (just leave it running). It uses an Asus P6T Deluxe motherboard. Windows 7 64-bit "Ultimate".

On restarting, many things were not right.

I have corrected the "many things" with re-installs of software, but now I can't do Windows Update, getting error message 80073712. I have tried at least:

- "sfc /scannow": 'Windows Resource Protection could not perform the requested operation.'

- running a Repair (from the windows install disk, \setup.exe): "Windows Installer has stopped working", "C000009c". I ran it as Administrator.

- the "System Update Readiness Tool" - it ran without error, but nothing changed.

- I ran some other tool (don't recall which one) that told me about missing / corrupted DLLs - 12 in all - that appear to be related to Windows Update: mshtml.dll, shdocvw.dll, browseui.dll, msxml.dll, gpkcsp.dll, sccbase.dll, slbcsp.dll, initpki.dll, wuaueng1.dll, wucltui.dll, wuweb.dll, qmgr.dll. This list is hand-typed from screenshots and may contain typos.

I will not be re-installing Windows from scratch - too disruptive. Ditto upgrading to Win 8. Having said that, over time, systems need security patches and I am at a loss as to how to proceed.

Any thoughts?

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