You cannot open Word, Excel, or PowerPoint 2010 files or email attachments

When you try to open an Excel, Word, or PowerPoint 2010 file from Outlook or from the Internet, Office reports the file as being corrupted and cannot be opened. Although the error message is different for each application, the result is the same. Errors may include the following:

Excel:

“The file is corrupted and cannot be opened.”

Word:

“Word Experienced an error trying to open the file.”

PowerPoint:

“PowerPoint found a problem with content in . PowerPoint can attempt to repair the presentation.”

DCOM security settings do not allow for the temporary file structure that must be created.
To have us set the component security settings back to the default for you, go to the “Fix it for me” section. If you prefer to fix this problem yourself, go to the “Let me fix it myself” section.

Fix it for me

To fix this problem automatically, click the Fix it button or link.
Then click Run in the File Download dialog box, and follow the steps in the Fix it wizard.

Notes

  • This wizard may be in English only. However, the automatic fix also works for other language versions of Windows.
  • If you are not on the computer that has the problem, save the Fix it solution to a flash drive or a CD and then run it on the computer that has the problem.

Then, go to the “Did this fix the problem?” section.

Let me fix it myself

Set component security settings back to the default settings:

1. Open Control Panel.

2. Open Administrative Tools.

3. Open Component Services and expand the tree under Console Root to Computers –> My Computer.

4. Right-click My Computer and select Properties.

5. Select the Default Properties tab and set the following values:

Default Authentication Level: Connect

Default Impersonation Level: Identify


Did this fix the problem?

  • Check whether the problem is fixed. If the problem is fixed, you are finished with this section. If the problem is not fixed, you can contact support
    (http://support.microsoft.com/contactus)
    .
  • We would appreciate your feedback. To provide feedback or to report any issues with this solution, please leave a comment on the “Fix it for me
    (http://blogs.technet.com/fixit4me/)
    ” blog or send us an email
    (mailto:fixit4me@microsoft.com?Subject=KB)
    message.
In order to open files in Protected View, the following processes must successfully complete:

The initiating process – Outlook or Internet Explorer or (with attachments saved to the hard disk drive) Windows Explorer, spawns an Office application process.

That process determines that the file is being opened from an Internet location and spawns a second Office application process that runs under restricted permissions. You can see that the process is running in the correct way by looking at its properties in Process Explorer. If a process is running under restricted permissions, there will be a tab labeled “Job.”

We create the following folder structure under C:UsersAppDataLocalTemp.

OICE_XXXXXXX-XXXX-XXXX-XXXX-XXXXXXXXXXXX.X (Folder, where X is random generated hexadecimal numbers. This folder will have a copy of the original file, and three tmp files in it.)
AppData (Folder in OICE_XXXXXXX-XXXX-XXXX-XXXX-XXXXXXXXXXXX.X)
Roaming (Folder in AppData)
Microsoft (Folder in Roaming)
Templates (Folder in Templates)

When this issue occurs, the sandbox process, running under restricted permissions, is created successfully. The OICE_ folder is created. But we cannot create the files and folders under that. To confirm that this is actually the issue, check under C:UsersAppDataLocalTemp. If there is an OICE_XXXXXX-XXXXX-XXX folder, but nothing in it, this is likely to be the problem.

Note This is a “FAST PUBLISH” article created directly from within the Microsoft support organization. The information contained herein is provided as-is in response to emerging issues. As a result of the speed in making it available, the materials may include typographical errors and may be revised at any time without notice. See Terms of Use
(http://go.microsoft.com/fwlink/?LinkId=151500)
for other considerations.

See more here:
You cannot open Word, Excel, or PowerPoint 2010 files or email attachments

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