EDIT: See additional discussion in the Studio forum thread
The latest updates to Windows 10 and Windows 7 have caused reported issues with Silicon Labs' Toolstick adapters, 8-bit debug adapters, and 32-bit debug adapters.
The updates in question are:
KB4487044 (Win10 ver 1809)
KB4487017 (Win10 ver 1803)
The reported behavior is that the debug adapters do not enumerate properly. Affected devices will not show up in the Windows Device Manager. Example bug reports are linked below.
If you are running into these issues you can try to roll back the above updates. However note that Microsoft places some restrictions on rolling back an update. For more information about rolling back a windows update and Microsoft's restrictions on uninstalling updates click the links below.
If you are able to roll back these updates but still experience issues, please submit a support ticket here.
Silicon Labs is in contact with Microsoft and we are working to resolve the issue. Updates will be posted here.
As an update, Microsoft has confirmed that they are working on a fix to the problem. This thread will be updated when a release date for the fix is confirmed.
Microsoft has confirmed and fixed an issue with their USB HID parser that is affecting Silicon Labs Toolsticks. The fix for Window 10 is available with these Cumulative Update KBs. Use the correct KB for your Windows 10 version. Windows Update will automatically install these to PCs during the normal update window, or they can be downloaded for manual installation. To determine your Windows 10 version, type "winver" in a command prompt window.
Version 1809 - RS5: March 12, 2019—KB4489899 (OS Build 17763.379) https://support.microsoft.com/en-us/help/4489899
Version 1803 - RS4: March 12, 2019—KB4489868 (OS Build 17134.648) https://support.microsoft.com/en-us/help/4489868
Version 1709 - RS3: March 12, 2019—KB4489886 (OS Build 16299.1029) https://support.microsoft.com/en-us/help/4489886
Version 1703 - RS2: March 12, 2019—KB4489871 (OS Build 15063.1689) https://support.microsoft.com/en-us/help/4489871
Version 1607 - RS1: March 12, 2019—KB4489882 (OS Build 14393.2848) https://support.microsoft.com/en-us/help/4489882
Version 1507 - TH1: March 12, 2019—KB4489872 (OS Build 10240.18158) https://support.microsoft.com/en-us/help/4489872
If you rolled back the February update that caused this problem, the Cumulative update will still work.
Releases for Windows 7 SP1 and Windows 8 are planned for Preview release on 3/19 with general availability on April 9, 2019.
If you still experience problems with your Toolstick after installing this fix, please contact Silicon Labs.
EDIT: A release date for the Windows 7 update was confirmed. This post has been updated to include that information and additionally provide some more detail about obtaining the Win10 fix.
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