Microsoft just broke some custom folder icons, and it’s deliberate

Microsoft just broke some custom folder icons, and it’s deliberate

By Simon Batt
Publication Date: 2026-06-12 05:11:00

Summary

  • Windows 11 may silently revert custom folder icons to defaults if desktop.ini is from an untrusted source.
  • Untrusted sources include files with Mark-of-the-Web, copies from some WebDAV/HTTP locations, or untrusted network paths.
  • Fixes include adding the source to Trusted Sites, enabling the remote-path shortcut policy, or removing Mark-of-the-Web.

Have you noticed that some of your custom Windows icons have reverted to the default look after the latest update? If so, don’t worry; you’re not alone. Microsoft has made some tweaks to how custom icons are handled in Windows 11, and if the operating system cannot verify…