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"Sound Card Error" after Windows 10
update Version 1803
The most recent Windows 10 update to Version
1803, is shutting off microphone access for some users due an incorrect privacy
setting. This results in an error message when starting the communication
program (Fldigi, WSJT-X, Digipan, etc.). If you have just updated your
Windows 10 OS with update 1803 and are experiencing this error, then follow the
steps below to resolve it. Please note that this solution applies to
update 1803 only. To the best of our knowledge, prior updates have not
caused this problem. If you have experienced a different problem after a
Windows 10 update, then we would suggest that you double-check that your sound
card settings in Windows and the communication program are correct (these
settings can change after a Windows update).
Special thanks to Richard, KE6SHL, for providing
us with this information!
1 - Close any communication programs that may be
2 - In Windows, go to All settings, then
3 - Scroll down to App Permissions, Microphone.
4 - On the right side panel, select/enable "Allow access to the microphone
on this device".
5 - Microphone access for this device should now be ON. If not, then
click Change and switch it to ON.
Note that you can apparently have the switch under "Allow apps to access
your microphone" off and the SignaLink USB will still work.