Nintex Forms Designer Not Loading (Chrome)

I had a weird error this morning when connecting to Nintex Forms – from my SharePoint Office 365 site.   This is within the new (very awesome) Responsive Designer.

The ‘loading’ screen was just waiting, waiting, waiting…

When I clicked on the F12 developer tools – there was a nasty CORS error ;

Access to XMLHttpRequest at [URL] has been blocked by CORS policy: Response to preflight request doesn’t pass access control check: It does not have HTTP ok status.

Here’s a screenshot of the error – and then everything fails downstream.


It looks like the recent update for GOOGLE CHROME (v76) has changed the setting for CORS.   This is what you need to do >

  • Within Google Chrome – enter this URL
  • Change the setting for CORS to “DISABLED”
  • Restart Google Chrome

That should fix it !   It did for me.    Happy Nintex’ing…


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