jhar

Thanks – I had the same issue installing WP on IIS7 and this did the trick!

You can find the solution here: https://aspstarterkit.com/index.php/getting-started/wordpress-251-and-iis-error-notice-undefined-index-request_uri-in-wp-settingsphp-on-line-81/

The problem is related to hosting WordPress on windows hosting with IIS

There is a fix for what your mentioning at:
https://aspstarterkit.com/index.php/getting-started/wordpress-251-and-iis-error-notice-undefined-index-request_uri-in-wp-settingsphp-on-line-81/

Magganpice – I also have had the same problem for some time, I keep hoping that the next askimet update will fix it, but it never does.

Would you mind posting the specifics of the “fix” you made? I would like to do the same.