Issue
EM Icon fonts not being displayed due to a new Windows 10 security feature that blocks fonts that are installed outside of the Fonts directory called Untrusted Font Blocking.
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Here is an article explaining the feature:
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Resolution
Changing the Mitigation Options value to 2000000000000 should resolve their issue.
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How to turn on and use the blocking untrusted fonts feature
To turn this feature on, off, or to use audit mode, use one of the following methods.
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Using Group Policy
- Open Local Group Policy Editor.
- Under Local Computer Policy, expand Computer Configuration, expand Administrative Templates, expand System, and then click Mitigation Options.
- In the Untrusted Font Blocking setting, you can see the following options:
- Block untrusted fonts and log events
- Do not block untrusted fonts
- Log events without blocking untrusted fonts
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Using Registry Editor
- Open Registry Editor (regedit.exe) and go to the following registry subkey:
- If the MitigationOptions key is not there, right-click and add a new QWORD (64-bit) Value, naming it as MitigationOptions.
- Update the Value data of the MitigationOptions key, and make sure that you keep your existing value, like the important note below:
- To turn this feature on. Type 1000000000000.
- To turn this feature off. Type 2000000000000.
- To audit with this feature. Type 3000000000000.
- Important: Your existing MitigationOptions values should be saved during your update. For example, if the current value is 1000, your updated value should be 1000000001000.
- Restart your computer.
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Missing-Icon-Fonts-in-EM.pdf