Microsoft confirms issue with custom folder icons and localized folder names on Windo

[harlan4096]

There are not many good reasons for being first when it comes to installing new updates for the Windows operating system. In fact, being second has the potential of avoiding the usual assortment of bugs that happen to be confirmed regularly after releases.

Take the June 2026 security updates as an example. Microsoft confirmed a new bug just days after releasing the update. It affects Windows 10 and Windows 11 systems that use custom folder icons or localized folder names that are defined by desktop.ini.

First spotted by Deskmodder, the issue is described on a new support page on Microsoft’s website:
 

After installing a Windows security update released on or after June 9, 2026, you might notice one or both of the following behaviors for some folders:
A custom folder icon defined by desktop.ini no longer appears.

A localized folder display name defined by desktop.ini no longer appears, and the folder shows its original name instead.

This behavior might occur even when the user has not changed an application or folder configuration. ​​​​​​

Microsoft notes that this behavior is expected, as it introduced a security hardening change that affects desktop.ini.

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