MAMP Support Forums

This was an issue in previous versions. Which version are you running?

Error Deleting entries MySQL 5.7' and 'MySQL 8.0' from the default keychain failed. Try to delete them manually in 'Keychain Access.


uninstalling-mamp-pro-error-message-delete-keychains.webp



1. Open Keychain Access in macOS

2. From left side pane, select "login".

3. Search for any keys ...

An error occurred. Requesting a trial licence failed, a previous licence has already expired.

We were receiving below across our sites after enabling http2_module in Apache config:


411 Error:

Length Required
A request of the requested method GET requires a valid Content-length.
Apache/2.4.66 (Unix) OpenSSL/1.1.Iw mod_wsgil5.0.2 Python/3.14 mod_fastci/mod_fastgi-



411-length-required ...

Oops, something went badly wrong!

Either you did not provide the necessary admin credentials or the MAMP PRO package could not be initialized correctly. You can either restart the application and try again or re-install the software. (-1)

Oops, something went badly wrong!

Your MAMP PRO installation appears to be damaged. You can either restart the application and try again, or re-install the software.

I noticed Safari specifically, has a difficult time resolving sites locally (via the hosts file) - the results are inconsistent if you have the same domain hosted externally somewhere. Disabling IPV6 and changing local DNS name servers (to something other than your router) has no impact. I suspect ...

The "Customize Toolbar" option available in previous versions is no longer present in MAMP PRO 7. This is an intentional change as part of the version 7 UI redesign. I can raise it as a feature request.

The explicit toggle between Module and CGI modes is no longer exposed in the MAMP PRO 7 ...

For those wondering:

This functionality is no longer available in MAMP PRO 7.

As a workaround, you can add MAMP PRO to macOS login items manually via System Settings → General → Login Items, and enable the "Launch Servers" checkbox already visible in your Settings panel — this ensures servers ...

Used to be able to GroupStart Apache/MySQL on system reboots. Did they remove this feature now?