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Support Article

Icons not visible in IE11 on Windows 10



Various icons such as, Refresh, Expand/Collapse, Live UI, Tracer, Clipboard etc. are not visible on the Internet Explorer 11 browser on Windows 10.

Error Messages

Not Applicable

Steps to Reproduce

Log in to Pega Designer Studio.

Root Cause

A Windows 10 configuration issue due to which fonts were Untrusted and were blocked.


Perform the following local-change:
  1. Use the Group Policy (gpedit.msc) editor.
  2. Navigate to Computer Configuration > Administrative Templates > System.
  3. Click Mitigation options.
  4. Edit 'Untrusted Font Blocking' and set it to Disabled'.

  5. Restart the system

Published May 7, 2019 - Updated October 8, 2020

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