Instructions on how to resolve the Microsoft Windows 10 update 20H1/version 2004 bug affecting FlatFrog enabled displays.
The Microsoft bug, described below, has been resolved in the latest fixes:
- Microsoft fix KB5000802
- Works on both Windows version 2004 and 20H2.
- Automatically updated in Windows update or can be found on Microsoft Update catalog.
If the above fix is not available, update with the following fix:
- Microsoft fix KB4601382
- Works on both Windows version 2004 and 20H2.
- An optional update in Windows update or can be found on Microsoft Update catalog.
Both fixes are not needed to resolve the issue.
Background
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Microsoft released a Windows 10 update in May 2020 called 20H1/version 2004.
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In this version, FlatFrog has detected and reported a Microsoft bug in the USB HID drivers affecting FlatFrog enabled displays (and others).
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The bug is acknowledged by Microsoft and a resolution/patch is in the works.
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FlatFrog will keep you updated when the bug is resolved by Microsoft.
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Please see below containment steps to prevent the issue from happening.
Symptoms
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FlatFrog Touch kit starts acting as a mouse pointer; usually a mouse pointer becomes visible.
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No multi-touch or pen/finger differentiation available.
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Possibly no ink in drawing applications (due to behaving as a mouse pointer).
Steps to Reproduce Issue
- Issue is triggered when the Windows computer wakes up from sleep mode.
Containment Steps
- Do not upgrade to Windows 10 20H1/version 2004.
- If you have Windows 10 20H1/version 2004 and are experiencing the bug:
- To prevent triggering the bug, FlatFrog recommends disabling sleep mode on the Windows computer for now to not trigger the bug.
- If the computer awaken from sleep mode and is experiencing the bug:
- Unplugging and re-connecting the USB touch cable may temporarily solve the issue.
- If that doesn’t work, restart computer to temporarily solve the issue.
If you have any questions, please do not hesitate to contact us.