docs(windows): add smartscreen knowlege base#2510
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Add explanation and installtion steps for the smartscreen notification that has started to appear due to Microsoft trusted application polices. fixes: #2509
User Test ResultsTest specification and instructions User tests are not required |
darcywong00
reviewed
May 13, 2026
| # Microsoft Defender SmartScreen | ||
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| ## Summary | ||
| Due to changes in how certificate signing and trusted applications are handled, you *may* see the following SmartScreen notification when installing Keyman. |
Contributor
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just minor tweaks:
Suggested change
| Due to changes in how certificate signing and trusted applications are handled, you *may* see the following SmartScreen notification when installing Keyman. | |
| Due to changes in how Microsoft handles certificate signing and trusted applications, you *may* see the following SmartScreen notification when installing Keyman for Windows or Keyman Developer. |
mcdurdin
reviewed
May 13, 2026
| Previously, applications signed by Azure Artifact Signing (formerly Trusted Signing) meant that there was no SmartScreen prompts during installation. Microsoft Defender SmartScreen now relies also on application reputation, which is built over time based on factors determined by Microsoft. | ||
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| As a result, SmartScreen prompts may appear until the Keyman installer establishes sufficient reputation. | ||
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Member
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Perhaps add another line:
Suggested change
| ## How to know if the downloaded file is trustworthy | |
| If you are presented with a SmartScreen warning, check the publisher in the "More Info" screen. If the publisher field shows the name "Summer Institute of Linguistics, Inc.", then that confirms that we built the installer and it can be trusted. See the image above for a representative example. | |
| If any other name is shown in the Publisher field, do not run the installer, and please [contact us](/contact) for further assistance! |
ermshiperete
changed the title
| <img src="./assets/kb0119/smartscreen_keyman.png" width="75%" alt="SmartScreen Notification More Info "/> | ||
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| **What has changed** |
Contributor
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Suggested change
| **What has changed** | |
| ### What has changed |
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| Previously, applications signed by Azure Artifact Signing (formerly Trusted Signing) meant that there was no SmartScreen prompts during installation. Microsoft Defender SmartScreen now relies also on application reputation, which is built over time based on factors determined by Microsoft. | ||
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| As a result, SmartScreen prompts may appear until the Keyman installer establishes sufficient reputation. |
Contributor
There was a problem hiding this comment.
Suggested change
| As a result, SmartScreen prompts may appear until the Keyman installer establishes sufficient reputation. | |
| As a result, SmartScreen prompts may appear until a new version of the Keyman installer establishes sufficient reputation. |
This might make it clearer that this needs to happen for each new version.
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Add explanation and installtion steps for the smartscreen notification that has started to appear due to Microsoft trusted application polices.
fixes: #2509
Test-bot: skip