What is the issue?
We have identified an issue where Unified Interface applications in Dynamics 365 for Customer Engagement and PowerApps with certain site map customizations do not render properly in Internet Explorer 11 browsers. Users affected by this will receive a blank page and possibly an “access denied” message when attempting to load some applications.
When did this break?
Window’s Patch Tuesday update on February 12th, 2019. Please see the KB Article for Update KB4486563.
This problem is identified in the ‘Known Issues’ section of the KB Article:
- “After installing this update, Internet Explorer may fail to load images with a backslash (\) in their relative source path.”
How can customers fix the problem?
The fix will be automatically deployed in the next patch Tuesday update.
Manual Patches can also be applied now using the links below.
Please select the corresponding package for your version of Microsoft Windows:
| OS | KB | Fix Package |
| Windows 7 SP1 / Server 2008R2 SP1 | KB4491113 | 4491113 |
| Windows 8.1 / Server 2012R2 | KB4491113 | 4491113 |
| Windows 10 Build 1507 LTSB | KB4491101 | 4491101 |
| Windows 10 Build 1607 | KB4487006 | 4487006 |
| Windows 10 Build 1703 | KB4487011 | 4487011 |
| Windows 10 Build 1709 | KB4487021 | 4487021 |
| Windows 10 Build 1803 | KB4487029 | 4487029 |
| Windows 10 Build 1809 | KB4482887 | 4482887 |