I am debugging an old application, where the WndProc is overridden. There I got a message with ID=0xC1B0 which means, that this is a system wide unique message
ms-access-2016
data-manipulation
google-ads-api
dynamics-crm-sdk
xerces
log-level
skrill
git-p4
angularjs-ui-utils
zip
ng-tags-input
helidon
wgl
android-networking
batch-file
spire
image-resizing
git-sync
clog
metronic
arel
redux-actions
stdlist
qt5.5
xlslib
supl
distributedpubsub
clips
quicktype-core
bond