

This can also occur if the Untrusted Font Blocking mitigation setting is enabled. This policy setting will affect the value of the following Registry key: HKLM or HKCU \Software\Policies\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\3 2] Using Registry Editor If you disable this policy setting, HTML fonts are prevented from downloading. If you enable this policy setting and Prompt is selected in the drop-down box, users are queried whether to allow HTML fonts to download. If you enable this policy setting, HTML fonts can be downloaded automatically.
FONTBOOK MISSING WINDOWS DOWNLOAD
This policy setting allows you to manage whether pages of the zone may download HTML fonts.

On the right-side, double-click on Allow font downloads and select Enabled. To fix this problem, configure the Allow Font Downloads Setting on the Internet, Restricted Zone (On by default) via GPO and add the affected Web sites to the Trusted Sites or Local Intranet Zone, here: Computer Configuration\Administrative Templates\Windows Components\Internet Explorer\Internet\Control Panel\Security Page\Internet Zone\ So, one of the downsides most visible of blocking downloaded and embedded fonts is graphic icons going missing as many web sites rely on them, and blocking them can substantially diminish usability.

However, with the rollout of Windows 11/10 security configuration baseline, Microsoft has decided to remove the recommendation to enable the “ Untrusted Font Blocking” Group Policy setting. This Group Policy setting helps you protect your company from attacks that may originate from untrusted or attacker-controlled font files.
FONTBOOK MISSING WINDOWS HOW TO
How to block or allow Web Font downloads in Windows 11/10 1] Using Group Policy There are three ways you can address this issue. This problem can occur if your Windows 11/10 is set to block Untrusted fonts or some security/mitigation options have been set. Confirming this behavior, Microsoft has outlined the reasons for this issue along with solutions. When using your browser on Windows 11/10, you may notice that one or more graphic icons or some fonts are missing from the web page.
