Strange share issues on new server

I have a new physical server 2008 R2 and the user is having issues with share permissions not seeming to work correctly. The event log is full of Event ID 257 CAPI2 and Event ID 490 ESENT errors. Windows Updates also fail on .NET framework and some other updates.
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scubadiver_daveConnect With a Mentor Author Commented:
For some reason the Network Service account was missing from the permissions on C:\. Once we added it back Windows Update, search, event log errors were all fixed. I'm not sure how or why that account went missing.
David Johnson, CD, MVPOwnerCommented:
uninstall the  Intel Matrix Storage Manager if installed. This has caused problems in the past.
scubadiver_daveAuthor Commented:
That's not installed. I have a ticket open with Microsoft. I hope to work on it with them today.
scubadiver_daveAuthor Commented:
This wsa the solution MS found.
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