I'm not sure what happened. I was running SharePoint Designer 2010 just fine until yesterday afternoon. Yesterday I was trying to clean off my desktop and reorganize my folders. I may have removed a file that was necessary. I'm not sure. Now I'm getting this error when I try to open a page from SharePoint through Site Actions> Edit in SharePoint Designer.

Also, the Microsoft Designer download comes up. I've tried to uninstall SP Designer, and reinstall it, but I'm still getting the same error. If I select No in the dialogue box, it comes up again the next time. If I select Yes, it opens the Notepad and saves it to my desktop. I can still access the SharePoint sites when I open SharePoint designer from my computer, I just can't access the SharePoint Designer when I am in SharePoint and select "Edit in SharePoint Designer." Any thoughts? Thanks.


Check In IE go to Tools > Internet Options > Programs and see if "Microsoft SharePoint Designer" is selected as the "HTML Editor".

Otherwise, i would repair /Unistall & reinstall the SharePoint designer and reboot the PC.

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  • That worked! Thank you! Any idea what I might have done? – Anonymous Jul 13 '15 at 13:21

Remove the notepad file from the Startup folder.

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  • Notepad shortcut* – Sonza76 Dec 5 '17 at 21:51

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