OK all sorted, a friend suggested uninstalling DSA, deleting the associated DSA folder in ProgramData/Intel/DSA and then running a DSA uninstaller tool (Download Intel® Driver & Support Assistant Uninstaller). After a full reboot, DSA is working good as new.
I hope this helps others.
Thank you for posting on the Intel® communities.
I do appreciate the information provided, the steps that you mentioned will help anyone that may be facing the same issue. Thanks for sharing the steps that you performed to solved the issue.
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Intel Customer Support Technician