Home > SharePoint, SharePoint 2010 > SharePoint – Word Web App cannot open this document for viewing because of an unexpected error

SharePoint – Word Web App cannot open this document for viewing because of an unexpected error

Today I saw a strange error with office web app. I was unable to open up any of the office documents in office web apps. Clicking the document link simply throws following error

WV-Error

I search ULS log files and found following exception details

System.AccessViolationException: Attempted to read or write protected memory. 
This is often an indication that other memory is corrupt.

To resolve this I execute following steps. For simplicity I am using Word as an example.

  1. Ensure Word Viewing service is started
    • Central Admin -> System Settings -> Manage services on server -> Word Viewing Service
    • WV-1
  2. Stop the Word Viewing service and start it
  3. Ensure Word Viewing service proxy is created
    • Central Admin -> Application Management -> Manage service application
    • Look for following
    • WV-2
  4. Ensure Word Viewing service proxy is associated with proxy group
    • Central Admin -> Application Management -> Manage web applications
    • Select the Web Application. From ribbon click on Service connections
    • WV-3

This resolved the issue and I was able to open up office documents in office web apps.

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  1. January 21, 2015 at 9:08 AM

    i just want to install Office web apps server 2013 without any sharepoint

    and i need to edit the office files in browser, i need the requirements of licenses to buy

    i have office pro plus 2013 retail license got from my msdn subscription is it sufficient i downloaded and installed everything but i cant edit any office file

    can you please help me for doing this

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