Support for Office products

Office Support Contact

Generic selectors
Exact matches only
Search in title
Search in content
Post Type Selectors

Unable To Launch Outlook: Invalid XML Error

One of the main things that can really turn you off is when you are sending a mail-in a hurry and

Outlook just wouldn’t open! More than once, I’ve had the same experience with Outlook and Gmail

update installation-error-0x80070643

it has really annoyed me when I had to get help from my ill-mannered neighbor. But when

you come to think about it, resolving the issue was far easier than consulting my neighbor!

Invalid XML file detains Outlook from opening

The problem that I faced was that of the error message “Cannot start Microsoft Outlook.

Cannot open the Outlook window.” popping up whenever I tried to open Outlook.

Error code 1006-4

These error messages can sometimes be like “Cannot start Microsoft Outlook. Cannot open the Outlook

window. Invalid XML, the view cannot be loaded”.

There are several reasons for such problems to occur. But it is mostly seen that some Office

2007 Service Pack 2 updates cause this error for certain configurations. But it can occur in

other versions of Outlook as well.

Reasons for this issue

The problem arises when the configuration file for the Navigation Pane gets corrupted. This

causes the failure of the Outlook launch. But like every other trifling problem in Outlook, this

one also can be resolved easily. For this, you can follow the simple guidelines given below:

In Windows Vista and Windows 7, the procedure for resolving this issue is almost the same.

For this, you must first click “Start” and then type “outlook.exe/resetnavpane” and then hit


In Windows XP the procedure is as follows:0x80070643

Click “Start”, and then select “Run” and type in: outlook.exe/resetnavpane.

error 0x80070643
Click for support

There could be other things as well that might go wrong with your PC for this error message to

pop up. So, if the problem persists even after you complete the above-mentioned procedure,

please make sure that you have installed all updates for your version of Outlook. For more

clarification, please contact the Microsoft Live assist team.

still need assistance(remote or live) to resolve the issue initiate the chat.

Error code support

Windows update error

Scroll to Top