Office 16 Click-to-Run Extensibility Component could not modify 137 protected registry keys during installation or update of Office 365

Anonymous

In installing and re-installing Office 365 Home (64-bit install on Win 7 Pro 64-bit), I get approx. 137 Warnings in Event Viewer like the following:

Product: Office 16 Click-to-Run Extensibility Component. The application tried to modify a protected Windows registry key \msinkdiv.InkDivider.1.

I did a deep uninstall and reinstall just to see if this could be avoided, but no. It happens on each install or repair or reinstall.

Here's all the info for one of these - but keep in mind there are 137 different ones (different keys being named):

Log Name: Application

Source: MsiInstaller

Date: 8/13/2016 1:48:06 AM

Event ID: 1039

Task Category: None

Level: Warning

Keywords: Classic

User: SYSTEM

Computer: WINDOWS-[My PC]

Description:

Product: Office 16 Click-to-Run Extensibility Component. The application tried to modify a protected Windows registry key \msinkdiv.InkDivider.1.

Event Xml:

<Channel>Application</Channel>

<Computer>WINDOWS-[My PC]</Computer>

</System>

<Data>Office 16 Click-to-Run Extensibility Component</Data>

<Data>\msinkdiv.InkDivider.1</Data>

<Data>

</Data>

</EventData>

</Event>

-	System

			-	Provider	<br>	---	---	<br><br><br><br>				[ Name]	MsiInstaller	<br>	---	---	---	---	---

			-	EventID	1039	<br>	---	---	---	<br><br><br><br>				[ Qualifiers]	0	<br>	---	---	---	---	---

				Level	3	<br>	---	---	---

				Task	0	<br>	---	---	---

				Keywords	0x80000000000000	<br>	---	---	---

			-	TimeCreated	<br>	---	---	<br><br><br><br>				[ SystemTime]	2016-08-13T05:48:06.000000000Z	<br>	---	---	---	---	---

				EventRecordID	30907	<br>	---	---	---

				Channel	Application	<br>	---	---	---

				Computer	WINDOWS-[My PC]	<br>	---	---	---

			-	Security	<br>	---	---	<br><br><br><br>				[ UserID]	S-1-5-18	<br>	---	---	---	---	---

-	EventData

			Office 16 Click-to-Run Extensibility Component

			\msinkdiv.InkDivider.1

			(NULL)

			(NULL)

			(NULL)

			(NULL)

			7B39303136303030302D303038432D303030302D313030302D3030303030303046463143457D

Binary data:

In Words

0000: 3130397B 30303036 30302D30 302D4338

0008: 2D303030 30303031 3030302D 30303030

0010: 43314646 7D45

In Bytes

0000: 7B 39 30 31 36 30 30 30 {9016000

0008: 30 2D 30 30 38 43 2D 30 0-008C-0

0010: 30 30 30 2D 31 30 30 30 000-1000

0018: 2D 30 30 30 30 30 30 30 -0000000

0020: 46 46 31 43 45 7D FF1CE}

So, what do you think? Thanks.

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44 answers

Anonymous

2017-07-06T05:12:21+00:00

Bump. Still looking for a clue on this. Thanks.
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Anonymous

2017-04-16T23:24:37+00:00

New update on April 16, 2017 -

Nothing has ever worked to stop the "cannot modify the protected key" warnings. The new Update Now yesterday to this O365 Home generated the same 41 Warnings.

So, today, after first creating a restore point, I DELETED the 41 keys, then went to Control Panel -- Programs and Features -- right-clicked Microsoft Office 365-en us and did a Repair - Online.

No help. In fact, it caused new problems, so I Restored from the restore point and went back to where I was.

What in tarnation is "protecting" those keys?

Ideas?
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Anonymous

2017-03-30T11:56:37+00:00

No luck.

I thought I'd try a "lesser" repair by right-click-repairing C:\Program Files\Microsoft Office\root\Integration\C2RInt.16.msi , which is an installer (maybe the installer) for the Office 16 Click-to-Run Extensibility Component that is generating the warnings.

The repair ran very briefly and that created again the same 41 Warnings as before.

Back to square one.
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Anonymous

2017-03-28T15:14:38+00:00

Update - So 41± "protected" registry keys have been showing up in Event Viewer Warnings when I run any update of Word or Excel (from this second O365 Home installation).

NOW, in regedit, I have given "Full Control" permission to Administrators in each of these 41± keys. (I run regedit and regscanner64 as TrustedInstaller. So I don't have to change Ownership to change Permissions. Goes much faster.)

Result - in yesterday's normal "Update Now" of Word, which ran some updates, I did NOT get the 41± Warnings. Progress ?? Risks ??

I might go back to my earlier lists of "protected" keys (which were more than 41), do the same, and then run a "Repair" of O365. (Or a total UNinstall and REinstall.) What do you think? Will a Repair or UN+REinstall create different keys and so progress will be lost?
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Anonymous

2017-03-05T16:48:21+00:00

New update -

I have now run a brute force set of changes to all 67± registry keys and gave Full Control permission to System in each key so that a re-install of O365 (or any update) could change those protected keys. However, NO LUCK again. I continue to get the Warnings. (How exactly are these keys protected?)

For details, please see a very interesting post at MSFN at MSFN LINK HERE

Among other things, the folks there introduced a useful tool for running anything as Trusted Installer. This helped me avoid the step of changing Owner on each key before changing Permissions.

Any ideas?
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