I have installed a recent community version of MySQL from MySQL site. The version is 5.6.x
.
It was done using an installer and I also chose the option to create a MySQL service on Windows so that I can simply start the service. The service was set to not start automatically.
Although I am not actively using MySQL, while I am working on my PC on something else, a strange pop-up displays,
MySQL Running in community mode.
Does something, prints on screen, and closes:
I am surprised to see this and wonder: what is it doing - connecting to a remote server and doing what? Does someone know the internals and how to prevent it from connecting to a remote server?
Could this be a security issue?
Simply go to the Task Scheduler and disable the job named ManifestUpdate which should be located in the Installer container beneath the MySQL container which is just beneath Task Scheduler Library; just right click and select Disable.
MySQL Installer is a standalone application designed to ease the complexity of installing and configuring MySQL products that run on Microsoft Windows. It supports the following MySQL products: MySQL Servers.
The main difference between these two is that the web package only includes MySQL Installer and configuration files, and it requires an Internet connection to proceed with the installation. Within the web version, you can select the applications you want to download apart from MySQL Server.
Go to Control Panel > System and Security > Administrative Tools and open Task Scheduler.
In the Task Scheduler navigate to Task Scheduler Library > MySQL and select Installer.
From the list at the center of the window right-click ManifestUpdate and select Disable.
Answer found here.
Since the other answers require OS interaction I figured it would be beneficial to provide the "MySQL" way.
I am surprised to see and wonder what is it doing and connecting to a remote server and doing what?
It's keeping the MySQL Product Catalog up to date. As described in the documentation,
This option uses the Windows Task Scheduler to schedule a task named "ManifestUpdate". (this is the scheduled task that is disabled the OS way)
Does someone know the internals and how to prevent it from connecting to a remote server?
To prevent it from connecting you can disable it without going through the OS:
You're ready to go...
This could be a security issue?
I'm not a security expert but it's connecting to the same people you trusted to get the software from so I think it's more of a nuisance than a risk.
Luckily, you can manually update it as needed by clicking the Catalog...
button seen above and force it.
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