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WPF browser-hosted applications (XBAPs) may crash during start up
Article ID: 972928 - View products that this article applies to.
RAPID PUBLISHING ARTICLES PROVIDE INFORMATION DIRECTLY FROM WITHIN THE MICROSOFT SUPPORT ORGANIZATION. THE INFORMATION CONTAINED HEREIN IS CREATED IN RESPONSE TO EMERGING OR UNIQUE TOPICS, OR IS INTENDED SUPPLEMENT OTHER KNOWLEDGE BASE INFORMATION.
One cause of this problem is that system-level interface registrations are broken.
To have us resolve this problem 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.
Fix this problem
Microsoft Fix it 50811
Then, go to the "Did this fix the problem?" section.
Let me fix it myself
Re-register the broken interfaces by running the following commands:
regsvr32 "%ProgramFiles%\Internet Explorer\ieproxy.dll"
On 64-bit Windows, also run the following commands:
regsvr32 "%ProgramFiles(x86)%\Internet Explorer\ieproxy.dll"
On Windows XP and Windows Server 2003, these commands need to be run from a user account with administrative privileges on the machine.
On Vista or later, these commands need to be run elevated. Click Start, All Programs, Accessories. Right-click Command Prompt and choose Run as Administrator. At the command prompt, run the commands.
Did this fix the problem?
One known cause of this problem is that system-level interface registrations are broken. In particular, registrations for the following interfaces may be missing:
This can be due to failed installations or upgrades, or malware infections.
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Article ID: 972928 - Last Review: January 4, 2012 - Revision: 2.0