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desktop.ini hardening
About this tag
The desktop.ini hardening tag covers Microsoft's security change in June 2026 that causes Windows to ignore desktop.ini files from untrusted sources. This breaks custom folder icons and localized display names, affecting Windows client and server versions. The change is deliberate security hardening, not a bug, and impacts supported and extended-support systems. Discussions focus on troubleshooting this behavior, understanding trust boundaries, and managing desktop.ini files under the new policy.
Microsoft says Windows security updates released on or after June 9, 2026, may stop some custom folder icons and localized folder display names from appearing because Windows now ignores desktop.ini files whose source it cannot verify as trusted. That is not a cosmetic bug in the usual Patch...
desktop.inidesktop.ini customization
desktop.inihardeningdesktop.ini icons
desktop.ini security
file explorer behavior
group policy
kb5094126
mark of the web
mark of the web motw
patch tuesday
security updates
windows 10
windows 11
windows security
windows security updates