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Microsoft Office wants to use Microsoft Word as the default HTML editor. I do not want this. I changed the value at


However the next time I start Microsoft Word, it is set back to the "bad" value.

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Do you mean all HTML files are opening in Microsoft Word instead of in your browser? – Adam Apr 10 '13 at 1:48
up vote 0 down vote accepted

I ran Process Monitor and discovered a registry value being queried


If you change the value it will stop this annoying feature

sp hkcu:software/microsoft/office/14.0/common/internet `
  DoNotCheckIfOfficeIsHTMLEditor 1 -t dword
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