Windows 7 Explorer.exe Repeatedly Crashing

I have a computer at the office which just started acting up.  Upon booting, windows 7 64-bit repeatedly crashes and then restarts after clicking on the prompt.  This is the error details provided.

Problem signature:
  Problem Event Name:	APPCRASH
  Application Name:	Explorer.EXE
  Application Version:	6.1.7601.17567
  Application Timestamp:	4d672ee4
  Fault Module Name:	imapi2.dll
  Fault Module Version:	6.1.7601.17514
  Fault Module Timestamp:	4ce7c6be
  Exception Code:	c0000005
  Exception Offset:	0000000000002490
  OS Version:	6.1.7601.2.1.0.256.1
  Locale ID:	1033
  Additional Information 1:	fe62
  Additional Information 2:	fe62b573076f7591811105fce9d587aa
  Additional Information 3:	c168
  Additional Information 4:	c168160e11e732a02c67f1e778c7b06d

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I've attempted restoring from a few different restore points with no success.  When i run sfc /scannow, it fails at 38% with the attached CBS log.

Thanks for looking.

-Bill
CBS.log
Bill-TAsked:
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Bill-TConnect With a Mentor Author Commented:
I transferred the same dll from another computer, and registered in through the command prompt, and the error hasn't come back as of yet.  Hopefully it was just a corrupt dll file.  Thanks for the help.
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airborne1128Commented:
How old is the machine?  At first look I would say in-compatable hardware, but without knowing what you are running, I am leaning towards a virus or malware.
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Bill-TAuthor Commented:
It's pretty new, Core I-7, 16GB ram, SSD, GTX 460 video card.  Im running malwarebytes now to see if it turns up anything.
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airborne1128Commented:
Are these crashes random, or do they happen at the same time/frequency?  Does the machine run normally ofter the recovery of exlorer.exe?
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Bill-TAuthor Commented:
No, it crashes repeatedly without stopping.  The computer boots, explorer.exe crashes.  Restart, it crashes.  It will do this forever.
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airborne1128Commented:
Have you tried safe mode?
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Bill-TAuthor Commented:
The same thing happens in safe mode.
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DalliUCommented:
Does explorer crash when logged in as another user?  If no, then I would take a look at the event viewer - application log to see if there are any entries showing an error, it may hold a clue to the application that is faulting and crashing Explorer.  If you find a program listed within the application log, if it is a third party, then try uninstalling it and then log back into the original desktop to see if Explorer no longer crashes. If it solves the issue, try downloading the newest version of the program and re-installing it (that is, if you need it).

Hope this helps find the needle in the hay stack!
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Bill-TAuthor Commented:
If i login with the domain account(normal login), it crashes repeatedly.  The same happens when i log on with the local account.  The computer has ESET AV, which returns clean scans, and malwarebytes didn't turn up anything either.
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airborne1128Commented:
It is possible that it is a driver.  Have there been ANY new updates around the time this started?
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Bill-TAuthor Commented:
Update:  I took ownership of the system32 folder in order to rename imapi2.dll and renamed it to imapi2-old.dll.  The problem with explorer.exe crashing is gone for the moment, but i'm wondering what i broke by renaming the dll file.
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DalliUCommented:
Can you use the Computer Management Console to remote to that computer and review the Event Viewer - Application logs?  If not familiar with the procedure, here are the steps: Right click your Computer icon (on a functioning computer) and choose Manage, once the MMC console opens, right click the Computer Management (local) at the root of the list.  Choose "Connect to another computer", type the computer name of the computer with the explorer issue, then OK.  You should be able to then read the logs. You may even be able to turn off any services that may also be causing the issue.
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DalliUCommented:
IMAPI enables the creation of optical media using a variety of file systems.

http://msdn.microsoft.com/en-us/library/aa364806(VS.85).aspx
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airborne1128Commented:
Sounds like you nailed it.  Good luck to you.
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