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Showing posts from August, 2011

Error HRESULT E_FAIL has been returned from a call to a COM component.

Ever opened your aspx or ascx in Visual Studio 2010 only to see this: When this happens: Editing in design view is virtually impossible Can't add new controls Existing controls can't be edited in design view The solution that's worked for me is to: Close VS 2010 Delete all temporary files created by VS 2010. In addition to the usual suspects, make sure you delete the folder that corresponds to your website in this location: C:\Users\[username]\AppData\Local\Microsoft\WebsiteCache Restart VS 2010